flatvsfootWhich spelling fits?

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

Which to use

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

#12,913
“flat” frequency rank
#34,657
“foot” frequency rank
47570
confusion score

Side-by-Side Comparison

Feature flat foot
Definition flach unterste Teil des Beines; Fuß

Where the eye mixes flat and foot

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

4 ch
flat
4 ch
foot

Why the eye confuses flat with foot

These two trip readers on the page rather than in the ear: flat is [flæt] while foot is [fʊt]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 47570, derived from the frequency rank of both members and their visual similarity.

flat is recorded at frequency rank #12,913, classified as anadj, pronounced [flæt]. foot is at rank #34,657, tagged as anoun, pronounced [fʊt].

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 47570, this pair ranks #1,279,683 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of flat vs foot

Shared letters: ft. Private to "flat": al. Private to "foot": o.

"flat" · 4 letters · shape CCVC  ·  "foot" · 4 letters · shape CVVC

Known mistypes of this pair

  • flatfalt · fflat · flatt · fllat · flta · lfat
  • footffoot · foott · fot · ofot

Frequently Asked Questions

Do "flat" and "foot" mean the same thing in a sentence?
No - they are not even the same part of speech. "flat" is an adjective and "foot" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "flat" vs "foot" - which ranks higher?
"flat" is the more common of the two: it sits at frequency rank #12,913 in our German list, against #34,657 for "foot". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Eye-level mix-up between "flat" and "foot" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "flat" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "foot" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,279,683 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "flat" and "foot" also get mixed up with nearby pairs, the highest-scored neighbour is "fist vs foot". 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 #1,279,683 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list