Which to use
“fas” is a noun and “fat” is an adjective - they look or sound alike but fill different roles in a sentence.
- #27,454
- “fas” frequency rank
- #1,482
- “fat” frequency rank
- 28936
- confusion score
Side-by-Side Comparison
| Feature | fas | fat |
|---|---|---|
| Definition | A border or fringe. | Carrying more fat than usual on one's body; plump; not lean or thin. |
Letter map: fas vs fat
Shared letters muted; letters that set fas and fat apart highlighted. Shared run: 2.
Part-of-speech tell for fas / fat
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: fas is anoun and fatanadjective. On the page they differ by a single letter - s in “fas” becomes t in “fat”. Our composite confusion score for this pair is 28936, derived from the frequency rank of both members and their visual similarity.
fas is recorded at frequency rank #27,454, classified as anoun. fat is at rank #1,482, tagged as anadj, pronounced /ˈfæt/.
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 28936, this pair ranks #367,091 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of fas vs fat
Shared letters: af. Private to "fas": s. Private to "fat": t.
"fas" · 3 letters · shape CVC · "fat" · 3 letters · shape CVC
Frequently Asked Questions
Do "fas" and "fat" mean the same thing in a sentence?
Which is more common, "fas" or "fat"?
After this comparison
You've compared "fas" and "fat". Here's where to go from here.
- Full dictionary entry for "fas" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "fat" - compare definitions side by side with the headword page. Word entry
- This pair ranks #367,091 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "fas" and "fat" also get mixed up with nearby pairs, the highest-scored neighbour is "fas vs foh". Nearby pair
Confusion rank #367,091 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.