Which to use
“fat” is an adjective and “fu” is an intj - they look or sound alike but fill different roles in a sentence.
- #1,482
- “fat” frequency rank
- #8,543
- “fu” frequency rank
- 10025
- confusion score
Side-by-Side Comparison
| Feature | fat | fu |
|---|---|---|
| Definition | Carrying more fat than usual on one's body; plump; not lean or thin. | Initialism of fuck you. |
Letter map: fat vs fu
Shared letters muted; letters that set fat and fu apart highlighted. Shared run: 1.
Grammar separator: fat vs fu
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: fat is anadjective and fuanintj. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 10025, derived from the frequency rank of both members and their visual similarity.
fat is recorded at frequency rank #1,482, classified as anadj, pronounced /ˈfæt/. fu is at rank #8,543, tagged as anintj.
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 10025, this pair ranks #494,413 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of fat vs fu
Shared letters: f. Private to "fat": at. Private to "fu": u.
"fat" · 3 letters · shape CVC · "fu" · 2 letters · shape CV
Frequently Asked Questions
Do "fat" and "fu" mean the same thing in a sentence?
Which is more common, "fat" or "fu"?
What to do next
You've compared "fat" and "fu". Here's where to go from here.
- Full dictionary entry for "fat" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "fu" - compare definitions side by side with the headword page. Word entry
- This pair ranks #494,413 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "fat" and "fu" also get mixed up with nearby pairs, the highest-scored neighbour is "foh vs fu". Nearby pair
Confusion rank #494,413 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.