Which to use
“concave” is an adjective and “conceive” is a verb - they look or sound alike but fill different roles in a sentence.
- #28,155
- “concave” frequency rank
- #17,107
- “conceive” frequency rank
- 45262
- confusion score
Side-by-Side Comparison
| Feature | concave | conceive |
|---|---|---|
| Definition | Curved like the inner surface of a sphere or bowl. | To have a child; to become pregnant (with). |
Where the eye mixes concave and conceive
Muted = shared; highlighted = the visual trap. They share 6 letters in sequence.
Visual trap between concave and conceive
These two trip readers on the page rather than in the ear: concave is /ˈkɒn.keɪv/ while conceive is /kənˈsiːv/. 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 (adjective vs verb), which is usually the fastest check. Our composite confusion score for this pair is 45262, derived from the frequency rank of both members and their visual similarity.
concave is recorded at frequency rank #28,155, classified as anadj, pronounced /ˈkɒn.keɪv/. conceive is at rank #17,107, tagged as averb, pronounced /kənˈsiːv/.
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 45262, this pair ranks #222,881 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of concave vs conceive
Shared letters: cenov. Private to "concave": a. Private to "conceive": i.
"concave" · 7 letters · shape CVCCVCV · "conceive" · 8 letters · shape CVCCVVCV
Known mistypes of this pair
Frequently Asked Questions
Is swapping "concave" for "conceive" ever safe?
Frequency check: "concave" vs "conceive" - which ranks higher?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "concave" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "conceive" - compare definitions side by side with the headword page. Word entry
- This pair ranks #222,881 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "concave" and "conceive" also get mixed up with nearby pairs, the highest-scored neighbour is "concave vs conclave". 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 #222,881 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.