Which to use
“deceive” is a verb and “decisive” is an adjective - they look or sound alike but fill different roles in a sentence.
- #17,585
- “deceive” frequency rank
- #9,593
- “decisive” frequency rank
- 27178
- confusion score
Side-by-Side Comparison
| Feature | deceive | decisive |
|---|---|---|
| Definition | To trick or mislead. | Having the power or quality of deciding a question or controversy; putting an end to contest or controversy; final; conclusive. |
Where the eye mixes deceive and decisive
Muted = shared; highlighted = the visual trap. They share 6 letters in sequence.
Visual trap between deceive and decisive
These two trip readers on the page rather than in the ear: deceive is /dɪˈsiːv/ while decisive is /dɪˈsaɪsɪv/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (verb vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 27178, derived from the frequency rank of both members and their visual similarity.
deceive is recorded at frequency rank #17,585, classified as averb, pronounced /dɪˈsiːv/. decisive is at rank #9,593, tagged as anadj, pronounced /dɪˈsaɪsɪv/.
Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.
With a confusion score of 27178, this pair ranks #380,975 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of deceive vs decisive
Shared letters: cdeiv. Private to "deceive": -. Private to "decisive": s.
"deceive" · 7 letters · shape CVCVVCV · "decisive" · 8 letters · shape CVCVCVCV
Known mistypes of this pair
Frequently Asked Questions
Do "deceive" and "decisive" mean the same thing in a sentence?
Which is more common, "deceive" or "decisive"?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "deceive" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "decisive" - compare definitions side by side with the headword page. Word entry
- This pair ranks #380,975 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "deceive" and "decisive" also get mixed up with nearby pairs, the highest-scored neighbour is "deceive vs deprive". Nearby pair
- Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes
Confusion rank #380,975 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.