Which to use
“flat” is an adjective and “fort” is a noun - they look or sound alike but fill different roles in a sentence.
- #21,752
- “flat” frequency rank
- #11,467
- “fort” frequency rank
- 33219
- confusion score
Side-by-Side Comparison
| Feature | flat | fort |
|---|---|---|
| Definition | chato, liso, plano | forte |
Letter map: flat vs fort
Shared letters muted; letters that set flat and fort apart highlighted. Shared run: 2.
Role in the sentence - flat and fort
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: flat is anadjective and fortanoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 33219, derived from the frequency rank of both members and their visual similarity.
flat is recorded at frequency rank #21,752, classified as anadj, pronounced /flæt/. fort is at rank #11,467, tagged as anoun.
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 33219, this pair ranks #34,347 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of flat vs fort
Shared letters: ft. Private to "flat": al. Private to "fort": or.
"flat" · 4 letters · shape CCVC · "fort" · 4 letters · shape CVCC
Known mistypes of this pair
Frequently Asked Questions
Can "flat" and "fort" be used interchangeably?
Which is more common, "flat" or "fort"?
Useful next steps
Pair "flat" vs "fort" is on the table, pick a follow-up below.
- Full dictionary entry for "flat" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "fort" - compare definitions side by side with the headword page. Word entry
- This pair ranks #34,347 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "flat" and "fort" also get mixed up with nearby pairs, the highest-scored neighbour is "filão vs flat". 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 #34,347 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.