Which to use
“fatter” is an adjective and “feather” is a noun - they look or sound alike but fill different roles in a sentence.
- #26,786
- “fatter” frequency rank
- #11,379
- “feather” frequency rank
- 38165
- confusion score
Side-by-Side Comparison
| Feature | fatter | feather |
|---|---|---|
| Definition | comparative form of fat: more fat | A branching, hair-like structure that grows on the bodies of birds, used for flight, swimming, protection and display. |
Where the eye mixes fatter and feather
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.
Look-alike desk: fatter vs feather
These two trip readers on the page rather than in the ear: fatter is /ˈfæːɾɚ/ while feather is /ˈfɛð.ə(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 (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 38165, derived from the frequency rank of both members and their visual similarity.
fatter is recorded at frequency rank #26,786, classified as anadj, pronounced /ˈfæːɾɚ/. feather is at rank #11,379, tagged as anoun, pronounced /ˈfɛð.ə(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 38165, this pair ranks #288,293 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of fatter vs feather
Shared letters: aefrt. Private to "fatter": -. Private to "feather": h.
"fatter" · 6 letters · shape CVCCVC · "feather" · 7 letters · shape CVVCCVC
Known mistypes of this pair
Frequently Asked Questions
Do "fatter" and "feather" mean the same thing in a sentence?
Frequency check: "fatter" vs "feather" - which ranks higher?
What to do next
Eye-level mix-up between "fatter" and "feather" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "fatter" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "feather" - compare definitions side by side with the headword page. Word entry
- This pair ranks #288,293 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "fatter" and "feather" also get mixed up with nearby pairs, the highest-scored neighbour is "fader vs fatter". 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 #288,293 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.