Which to use
“flat” is an adjective and “FTA” is a noun - they look or sound alike but fill different roles in a sentence.
- #1,941
- “flat” frequency rank
- #31,999
- “FTA” frequency rank
- 33940
- confusion score
Side-by-Side Comparison
| Feature | flat | FTA |
|---|---|---|
| Definition | Having no variations in height. | Abbreviation of flight test article (such as a test aircraft, a prototype). |
Letter map: flat vs FTA
Shared letters muted; letters that set flat and FTA apart highlighted. Shared run: 2.
Role in the sentence - flat and FTA
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: flat is anadjective and FTAanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 33940, derived from the frequency rank of both members and their visual similarity.
flat is recorded at frequency rank #1,941, classified as anadj, pronounced /flæt/. FTA is at rank #31,999, 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 33940, this pair ranks #325,065 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of flat vs FTA
Shared letters: aft. Private to "flat": l. Private to "FTA": -.
"flat" · 4 letters · shape CCVC · "FTA" · 3 letters · shape CCV
Known mistypes of this pair
- flat ← falt · fflat · flatt · fllat · flta · lfat
Frequently Asked Questions
Is swapping "flat" for "FTA" ever safe?
In ordinary English text, does "flat" or "FTA" show up more?
After this comparison
You've compared "flat" and "FTA". Here's where to go from here.
- Full dictionary entry for "flat" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "FTA" - compare definitions side by side with the headword page. Word entry
- This pair ranks #325,065 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "flat" and "FTA" also get mixed up with nearby pairs, the highest-scored neighbour is "foh vs FTA". 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 #325,065 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.