Which to use
“flop” is a verb and “fob” is a noun - they look or sound alike but fill different roles in a sentence.
- #13,720
- “flop” frequency rank
- #25,388
- “fob” frequency rank
- 39108
- confusion score
Side-by-Side Comparison
| Feature | flop | fob |
|---|---|---|
| Definition | To fall heavily due to lack of energy. | A little pocket near the waistline of a pair of trousers or in a waistcoat or vest to hold money or valuables, especially a pocket watch. |
Where the eye mixes flop and fob
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses flop with fob
These two trip readers on the page rather than in the ear: flop is /flɒp/ while fob is /fɒb/. 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 (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 39108, 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/. fob is at rank #25,388, tagged as anoun, pronounced /fɒb/.
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 39108, this pair ranks #279,762 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of flop vs fob
Shared letters: fo. Private to "flop": lp. Private to "fob": b.
"flop" · 4 letters · shape CCVC · "fob" · 3 letters · shape CVC
Known mistypes of this pair
- flop ← fflop · fllop · flopp · flpo · folp · lfop
Frequently Asked Questions
Is swapping "flop" for "fob" ever safe?
Frequency check: "flop" vs "fob" - which ranks higher?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "flop" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "fob" - compare definitions side by side with the headword page. Word entry
- This pair ranks #279,762 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "flop" and "fob" also get mixed up with nearby pairs, the highest-scored neighbour is "fob 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 #279,762 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.