Which to use
“render” is a verb and “rounder” is an adjective - they look or sound alike but fill different roles in a sentence.
- #9,949
- “render” frequency rank
- #19,687
- “rounder” frequency rank
- 29636
- confusion score
Side-by-Side Comparison
| Feature | render | rounder |
|---|---|---|
| Definition | To cause to become. | comparative form of round: more round |
Where the eye mixes render and rounder
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.
Visual trap between render and rounder
These two trip readers on the page rather than in the ear: render is /ˈɹɛn.də/ while rounder is /ˈɹaʊndə(ɹ)/. 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 29636, derived from the frequency rank of both members and their visual similarity.
render is recorded at frequency rank #9,949, classified as averb, pronounced /ˈɹɛn.də/. rounder is at rank #19,687, tagged as anadj, pronounced /ˈɹaʊndə(ɹ)/.
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 29636, this pair ranks #361,328 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of render vs rounder
Shared letters: denr. Private to "render": -. Private to "rounder": ou.
"render" · 6 letters · shape CVCCVC · "rounder" · 7 letters · shape CVVCCVC
Known mistypes of this pair
Frequently Asked Questions
Can "render" and "rounder" be used interchangeably?
Which is more common, "render" or "rounder"?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "render" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "rounder" - compare definitions side by side with the headword page. Word entry
- This pair ranks #361,328 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "render" and "rounder" also get mixed up with nearby pairs, the highest-scored neighbour is "rounder vs roundly". 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 #361,328 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.