Which to use
“fou” is an adjective and “frog” is a noun - they look or sound alike but fill different roles in a sentence.
- #48,244
- “fou” frequency rank
- #8,426
- “frog” frequency rank
- 56670
- confusion score
Side-by-Side Comparison
| Feature | fou | frog |
|---|---|---|
| Definition | Drunk. | Any of a class of small tailless amphibians of the order Anura that typically hop. |
Letter map: fou vs frog
Shared letters muted; letters that set fou and frog apart highlighted. Shared run: 2.
Grammar separator: fou vs frog
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: fou is anadjective and froganoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 56670, derived from the frequency rank of both members and their visual similarity.
fou is recorded at frequency rank #48,244, classified as anadj. frog is at rank #8,426, tagged as anoun, pronounced /fɹɒɡ/.
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 56670, this pair ranks #124,555 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of fou vs frog
Shared letters: fo. Private to "fou": u. Private to "frog": gr.
"fou" · 3 letters · shape CVV · "frog" · 4 letters · shape CCVC
Known mistypes of this pair
- frog ← ffrog · forg · frgo · frogg · frrog · rfog
Frequently Asked Questions
Do "fou" and "frog" mean the same thing in a sentence?
In ordinary English text, does "fou" or "frog" show up more?
After this comparison
Pair "fou" vs "frog" is on the table, pick a follow-up below.
- Full dictionary entry for "fou" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "frog" - compare definitions side by side with the headword page. Word entry
- This pair ranks #124,555 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "fou" and "frog" also get mixed up with nearby pairs, the highest-scored neighbour is "FOMO vs fou". 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 #124,555 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.