flopvsfoiConfusable pair

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

Which to use

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

#13,720
“flop” frequency rank
#42,644
“foi” frequency rank
56364
confusion score

Side-by-Side Comparison

Feature flop foi
Definition To fall heavily due to lack of energy. A depiction of a handshake.

Letter map: flop vs foi

Shared letters muted; letters that set flop and foi apart highlighted. Shared run: 2.

4 ch
flop
3 ch
foi

Part-of-speech tell for flop / foi

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: flop is averb and foianoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 56364, derived from the frequency rank of both members and their visual similarity.

flop is recorded at frequency rank #13,720, classified as averb, pronounced /flɒp/. foi is at rank #42,644, 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 56364, this pair ranks #126,809 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of flop vs foi

Shared letters: fo. Private to "flop": lp. Private to "foi": i.

"flop" · 4 letters · shape CCVC  ·  "foi" · 3 letters · shape CVV

Known mistypes of this pair

  • flopfflop · fllop · flopp · flpo · folp · lfop

Frequently Asked Questions

Is swapping "flop" for "foi" ever safe?
No - they are not even the same part of speech. "flop" is a verb and "foi" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "flop" vs "foi" - which ranks higher?
"flop" is the more common of the two: it sits at frequency rank #13,720 in our English list, against #42,644 for "foi". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Done with this confusable. These links stay specific to "flop" and "foi".

  • Full dictionary entry for "flop" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "foi" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #126,809 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "flop" and "foi" also get mixed up with nearby pairs, the highest-scored neighbour is "foi vs FOMO". 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 #126,809 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list