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Commonly confused words AI Prompts

32 free commonly confused words prompts for ChatGPT, Claude, and Gemini. Every template ships with smart variables, ready to copy or run directly in the AgentDock editor.

Altogether vs All Together Explainer

Determine whether altogether or all together fits a sentence by testing a completely or entirely substitution, and apply a move-the-word diagnostic for borderline cases.

Writing
189 uses

Ensure vs Insure vs Assure Explainer

Explain which of ensure, insure, or assure fits a sentence, check existing text, and clarify the three-question test covering insurance, reassurance, and general certainty.

Writing
181 uses

Affect vs Effect Explainer

Determine whether affect or effect fits a sentence, test action versus thing, and cover the rare psychology noun affect and verb sense of effect.

Writing
173 uses

Who vs Whom Explainer

Find every who and whom in a text, correct mismatched grammatical roles, and prove each call with the he-or-him substitution test.

Writing
170 uses

Disinterested vs Uninterested Explainer

Explain whether disinterested or uninterested fits a sentence, check existing text for the swap, and clarify the impartial-versus-bored test behind this often-confused pair.

Writing
163 uses

Story vs Storey Explainer

Explain whether story or storey fits a sentence, convert text between English varieties, and cover the meaning test behind the British-only storey spelling.

Writing
163 uses

Born vs Borne Explainer

Determine whether born or borne fits a sentence by testing for the passive act of birth versus other senses of to bear.

Writing
159 uses

Then vs Than Explainer

Find misused then and than in writing, verify a single sentence, and explain the comparison-versus-sequence test that keeps the two words straight.

Writing
158 uses

Elicit vs Illicit Explainer

Explain whether elicit or illicit fits a sentence, check existing text, and clarify why illicit cannot take a direct object like elicit can.

Writing
145 uses

Principal vs Principle Explainer

Decide whether principal or principle fits a sentence, check a word already used, or explain the rule and its financial and adjective edge cases.

Writing
143 uses

Who's vs Whose Explainer

Explain whether who's or whose fits a sentence, prove the call with the who-is expansion test, and cover whose for non-person owners like companies.

Writing
138 uses

Empathy vs Sympathy Explainer

Explain whether empathy or sympathy fits a sentence, check existing text, and clarify the feeling-for-versus-feeling-with test behind this often-confused pair.

Writing
137 uses

Imply vs Infer Explainer

Decides whether imply or infer fits a sentence by testing who is doing the work, the speaker hinting or the listener drawing a conclusion.

Writing
134 uses

Sulfur vs Sulphur Explainer

Explain whether text uses sulfur or sulphur, convert the whole derived word family consistently, and cover the 1990 IUPAC standardization history behind the split.

Writing
133 uses

Loose vs Lose Explainer

Decides whether loose or lose fits a sentence by testing whether the word describes or acts, and explains the s-sound versus z-sound pronunciation trap.

Writing
124 uses

Theater vs Theatre Explainer

Explain whether text uses American or British spelling, convert between the two varieties, and cover the -er/-re pattern behind theater and theatre.

Writing
118 uses

Weather vs Whether Explainer

Explain whether weather or whether fits a sentence, prove the call with an if-substitution test, and cover the verb sense of weather.

Writing
117 uses

Moral vs Morale Explainer

Determine whether moral or morale fits a sentence by testing if it concerns ethics or team spirit, including the plural morals exception.

Writing
110 uses

Everyday vs Every Day Explainer

Explain whether everyday or every day fits a sentence, check existing text, and clarify the each-day substitution test behind this common mix-up.

Writing
105 uses

Lay vs Lie Explainer

Decides whether lay or lie fits a sentence by testing whether a direct object is being placed down, and untangles their past-tense overlap.

Writing
96 uses

Historic vs Historical Explainer

Decides whether historic or historical fits a sentence by testing whether it claims lasting significance or only places something in the past.

Writing
83 uses

Precede vs Proceed Explainer

Determine whether precede or proceed fits a sentence by testing order versus forward motion, including the preposition proceed almost always needs.

Writing
82 uses

Stationary vs Stationery Explainer

Explain whether stationary or stationery fits a sentence using the stationERy-is-for-letters test, and cover the abstract not-moving sense of stationary.

Writing
81 uses

Tire vs Tyre Explainer

Explain whether text uses American or British spelling for the wheel-covering noun, convert between varieties, and cover why the exhaustion verb tire never changes.

Writing
81 uses

Homophones Checker

Catch misused homophones like their, there, and they're in your writing, or look up any word's homophones with meanings, example sentences, and a memory trick

Reading
77 uses

Advice vs Advise Explainer

Determine whether advice or advise fits a sentence, test action versus thing, and catch the noncount-noun error of pluralizing advice.

Writing
74 uses

Accept vs Except Explainer

Determine whether accept or except fits a sentence, test receiving versus excluding, and explain the except for construction and the rare verb use of except.

Writing
65 uses

Would of vs Would Have Explainer

Find every would of, could of, or should of in a passage and fix each to the correct have or 've form, with a plain explanation of the error.

Writing
58 uses

Passed vs Past Explainer

Determine whether passed or past fits a sentence by testing if the word functions as a verb, including the preposition sense meaning beyond.

Writing
57 uses

Awhile vs A While Explainer

Determine whether awhile or a while fits a sentence using the preposition test, with for a while as the safe fallback.

Writing
53 uses

Supposed To vs Suppose To Explainer

Flag every suppose to and use to error, restore the missing D, and explain when bare suppose or use is actually correct in a sentence.

Writing
44 uses

There, Their, and They're Explainer

Find there, their, and they're mistakes in writing, prove each fix with a test, and explain the three-way difference using expansion and ownership tests.

Writing
39 uses

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