Fill in the Blanks
🔒 Log in to trackConfusable and homonym blanks
🔒 Log in to trackThese blanks offer four words of similar shape; only one fits both the grammar slot and the meaning.
| Pair | Meanings | Correct use |
|---|---|---|
| affect / effect | verb: influence / noun: result | Rains affect crops; the effect was visible. |
| advice / advise | noun (an advice) / verb (to advise) | The doctor advised rest; follow his advice. |
| practice / practise | noun (Indian English) / verb | Daily practice helps; practise daily. |
| principal / principle | chief, head / a rule | Principal amount; a man of principle. |
| stationary / stationery | not moving / writing materials | a stationary van; office stationery. |
| loose / lose | not tight / misplace | a loose tooth; lose the keys. |
| site / sight / cite | place / vision / quote | a construction site; at first sight; cite a case. |
| complement / compliment | completes / praise | wine complements food; pay a compliment. |
| discreet / discrete | careful / separate | discreet enquiries; discrete units. |
| eligible / illegible | qualified / unreadable | eligible voters; illegible signature. |
| beside / besides | next to / in addition to | sat beside me; besides swimming. |
| assure / ensure / insure | remove doubt / make certain / cover by policy | assure the public; ensure safety; insure the car. |
| lie / lay | recline (lie–lay–lain) / put (lay–laid) | lie down; lay the pen on the table. |
Two-step decision.
- Part of speech. advise (verb) vs advice (noun): find the sentence's verb — if it already has one, the blank is likely a noun, and vice versa. Same for practice/practise, effect/affect (noun vs verb).
- Meaning. stationary (not moving) vs stationery (writing material); principal (chief) vs principle (rule). The sentence's context — a godown of paper goods, a bank's sums — picks one.
Spelling-distinct pairs with one meaning slot: eligible (qualified) vs illegible (unreadable); discreet (careful) vs discrete (separate); complement (completes) vs compliment (praise). Meaning decides alone.
The assure/ensure/insure family deserves its own memorisation: assure a person (remove doubt), ensure an outcome (make certain), insure a thing (insurance policy). 'The minister gave a solemn assurance' is the noun of assure — options include insurance to trap the shape-reader.
Sound-alike traps in options (affection, effectiveness, advices) exist to punish incomplete reading: reject them on grammar ('advices' is not a countable noun in standard English) and on meaning.
Sound-alike, sense-apart
Confusable blanks offer pairs that differ by one letter or one sound: advice/advise, lose/loose, stationary/stationery, principal/principle, censor/censure, allusion/illusion. Grammar cannot help — The minister gave a solemn advise parses as words — but meaning can. Decide what the sentence must SAY, then take the word whose part of speech and meaning match.
The noun/verb twins
- advice (noun) / advise (verb): sound advice; doctors advise.
- practice (noun) / practise (verb, British spelling): medical practice; lawyers practise.
- licence (noun) / license (verb): a driving licence; premises licensed.
- belief (noun) / believe (verb); proof (noun) / prove (verb); bath (noun) / bathe (verb). These -ce (noun) / -se (verb) pairs are recycled endlessly. If the blank follows a or the, the noun is wanted; if it follows to or a subject, the verb.
The meaning twins
- lose (misplace, fail to win) / loose (not tight): come loose, lose the keys.
- affect (verb, influence) / effect (noun, result; also verb = bring about): will affect schedules, had an effect.
- stationary (still) / stationery (writing materials).
- principal (chief, head; also the money) / principle (rule, belief).
- complement (completes) / compliment (praise).
- allusion (reference) / illusion (false perception) / elusion (escape).
- censure (rebuke) / censor (ban content).
- continual (repeated with breaks) / continuous (unbroken).
- practicable (workable) / practical (useful in practice).
- personnel (staff) / personal (private).
The two-second test
Ask: what part of speech is the blank? Noun slots (after the, a, his, solemn...) take the -ce/-ency/-ion noun; verb slots (after to, will, did) take the -se/-ise verb. If both options are nouns, switch to meaning: still vs paper? rule vs person? praise vs rebuke? The sentence always contains one clue word that forces the choice — find it before reading the options.
Why these are free marks
Unlike collocations, confusables have no grey zone: only one member of each pair means what the sentence needs. One careful read beats guesswork; the decoys exist purely for candidates answering on shape-memory.
Question types you will see
Each type: how to recognise it, the method step by step, and one question to try.
Noun/verb twins (-ce vs -se)
Options are advice/advise, practice/practise, licence/license type pairs; the blank follows an article or a subject respectively.
Fix the part of speech the slot needs: after the/a/his → noun; after to / a subject → verb.
Take the matching twin: advice (n) vs advise (v); practise (v) vs practice (n).
Read back — the completed phrase must be a standard unit (sound advice, advise somebody).
Why it works: the twins share sound and differ only in class; the slot's neighbours (article vs to) already announce the class.
The dietician gave me sound ___ on portion control.
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advice — the noun is wanted after 'gave me sound'; 'advise' is a verb and cannot follow the adjective 'sound'.
lose / loose and affect / effect
The sentence is about misplacing, tightness, influence or results; the options are the two shape-twins plus derivatives.
lose = fail to keep; loose = not tight — test the sense, not the spelling.
affect = verb (influence); effect = noun (result). Will/can before the blank → affect; an/the before it → effect.
Derivative decoys (affection, effectively) die on meaning.
Why it works: the pairs are one-letter apart, so shape-memory fails by design; the sentence's verb or article gives the class away.
The new timings will ___ train schedules across the zone.
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affect — the verb (influence) is wanted after will; 'effect' as a verb would mean bring about, and the noun cannot follow will alone.
stationary / stationery and principal / principle
Sentences about offices, shops, movement, rules or people in charge; options are the twin spellings.
Paper-and-pen sense → stationery; motionless → stationary.
A rule or moral standard → principle; the head, the chief, the capital sum → principal.
The -ar / -er ending is the memory hook: stationERy = papER, principlE = rulE.
Why it works: the twins differ by one letter with totally different meanings; the clue word (shop, head, rule) forces the choice.
The office buys its ___ from the shop near the station.
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stationery — writing materials; 'stationary' would have the office buying stillness.
censure / censor and allusion / illusion
Sentences about parliament, books, films, references or appearances; options are the paired look-alikes.
Formal rebuke → censure; banning or cutting content → censor.
A reference to something → allusion; a false appearance → illusion; a slipping away → elusion.
Match the register marker in the sentence (House, minister, poem) to the word's home territory.
Why it works: both pairs live in formal writing, so the decoy always sounds educated; the sense — rebuke vs ban, reference vs mirage — is the only sieve.
The House ___ the minister for his careless remark.
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censured — the House rebukes; censoring belongs to content, not to conduct.
Shortcuts that save time
Decide noun/verb/adjective from the sentence frame; kill every option of the wrong class. Then choose by meaning among survivors — usually only two ever reach step two.
The doctor ___ him to take complete rest. Options: advised / advice / advices / advise.
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The sentence needs a finite past verb (subject 'doctor', no other verb) → advised. Advice is a noun, advices is not standard, advise is the wrong tense/number fit here.
Form a mental image of the sentence: a pile of paper in a godown → stationery; a parked van → stationary. The image picks the spelling instantly.
Make flash cards only for families of three or more: assure/ensure/insure, site/sight/cite, affect/effect/affective. Singles rarely appear in options.
Mistakes to avoid
Where most students lose marks on this subtopic.
Choosing the familiar spelling ('affect') when the slot demands the noun ('effect').
Reading 'advice/advise' as interchangeable because dictionaries mark the Indian-English overlap.
Picking 'illegible' for eligibility contexts because the negative prefix sounds right.
Missing that the sentence already has a verb, so the blank must be a noun.
Quick revision
Read this the night before the exam.
advice/practice/licence = nouns; advise/practise/license = verbs (British usage) — check the slot.
lose = misplace; loose = not tight. affect = verb; effect = noun (usually).
stationary still; stationery pens. principal = head, chief or capital sum; principle = rule or belief.
censure = rebuke; censor = ban. allusion = reference; illusion = mirage.
continual = repeated; continuous = unbroken. personnel = staff; personal = private.
Practice: 12 questions
Sets of 10, mixed across the question types above. Every answer has a step-by-step explanation.
Topic test · 12 questions
Suggested time 6 min · wrong answers go to your mistake notebook automatically.