Which to use
“feather” is a noun and “flatter” is an adjective - they look or sound alike but fill different roles in a sentence.
- #11,379
- “feather” frequency rank
- #20,359
- “flatter” frequency rank
- 31738
- confusion score
Side-by-Side Comparison
| Feature | feather | flatter |
|---|---|---|
| Definition | A branching, hair-like structure that grows on the bodies of birds, used for flight, swimming, protection and display. | comparative form of flat: more flat |
Where the eye mixes feather and flatter
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.
Look-alike desk: feather vs flatter
These two trip readers on the page rather than in the ear: feather is /ˈfɛð.ə(ɹ)/ while flatter is /ˈflætɚ/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 31738, derived from the frequency rank of both members and their visual similarity.
feather is recorded at frequency rank #11,379, classified as anoun, pronounced /ˈfɛð.ə(ɹ)/. flatter is at rank #20,359, tagged as anadj, pronounced /ˈflætɚ/.
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 31738, this pair ranks #343,638 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of feather vs flatter
Shared letters: aefrt. Private to "feather": h. Private to "flatter": l.
"feather" · 7 letters · shape CVVCCVC · "flatter" · 7 letters · shape CCVCCVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "feather" for "flatter" ever safe?
Frequency check: "feather" vs "flatter" - which ranks higher?
Useful next steps
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "feather" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "flatter" - compare definitions side by side with the headword page. Word entry
- This pair ranks #343,638 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "feather" and "flatter" also get mixed up with nearby pairs, the highest-scored neighbour is "flatter vs floater". 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 #343,638 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.