flatvsFlopConfusable pair

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

Which to use

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

#12,913
“flat” frequency rank
#22,724
“Flop” frequency rank
35637
confusion score

Side-by-Side Comparison

Feature flat Flop
Definition flach Misserfolg; etwas, das nicht gelungen ist

Where the eye mixes flat and Flop

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

4 ch
flat
4 ch
Flop

Why the eye confuses flat with Flop

These two trip readers on the page rather than in the ear: flat is [flæt] while Flop is [flɔp]. 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 35637, 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]. Flop is at rank #22,724, tagged as anoun, pronounced [flɔp].

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 35637, this pair ranks #1,635,246 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of flat vs Flop

Shared letters: fl. Private to "flat": at. Private to "Flop": op.

"flat" · 4 letters · shape CCVC  ·  "Flop" · 4 letters · shape CCVC

Known mistypes of this pair

  • flatfalt · fflat · flatt · fllat · flta · lfat
  • Flopfflop · fllop · flopp · flpo · folp · lfop

Frequently Asked Questions

Is swapping "flat" for "Flop" ever safe?
No - they are not even the same part of speech. "flat" is an adjective and "Flop" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "flat" or "Flop"?
"flat" is the more common of the two: it sits at frequency rank #12,913 in our German list, against #22,724 for "Flop". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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 "Flop" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,635,246 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "flat" and "Flop" also get mixed up with nearby pairs, the highest-scored neighbour is "Flop vs Fon". 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 #1,635,246 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