flatvsfutTell them apart

Quick tell: flat is a noun, fut is a verb, so they fill different roles in a sentence.

Which to use

“flat” is a noun and “fut” is a verb - they look or sound alike but fill different roles in a sentence.

#41,922
“flat” frequency rank
#39,242
“fut” frequency rank
81164
confusion score

Side-by-Side Comparison

Feature flat fut
Definition Piso. Pasado simple del modo indicativo del verbo être y para il/elle/on.

Where the eye mixes flat and fut

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
flat
3 ch
fut

Why the eye confuses flat with fut

These two trip readers on the page rather than in the ear: flat is /flæt/ while fut is /fy/. 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 (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 81164, derived from the frequency rank of both members and their visual similarity.

flat is recorded at frequency rank #41,922, classified as anoun, pronounced /flæt/. fut is at rank #39,242, tagged as averb, pronounced /fy/.

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 81164, this pair ranks #10,734 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of flat vs fut

Shared letters: ft. Private to "flat": al. Private to "fut": u.

"flat" · 4 letters · shape CCVC  ·  "fut" · 3 letters · shape CVC

Known mistypes of this pair

  • flatfalt · fflat · flatt · fllat · flta · lfat

Frequently Asked Questions

Can "flat" and "fut" be used interchangeably?
No - they are not even the same part of speech. "flat" is a noun and "fut" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "flat" or "fut" show up more?
"fut" is the more common of the two: it sits at frequency rank #39,242 in our Spanish list, against #41,922 for "flat". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "flat" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fut" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #10,734 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "flat" and "fut" also get mixed up with nearby pairs, the highest-scored neighbour is "flama 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 #10,734 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list