Which to use
“fu” is an intj and “full” is an adjective - they look or sound alike but fill different roles in a sentence.
- #8,543
- “fu” frequency rank
- #262
- “full” frequency rank
- 8805
- confusion score
Side-by-Side Comparison
| Feature | fu | full |
|---|---|---|
| Definition | Initialism of fuck you. | Containing the maximum possible amount that can fit in the space available. |
Letter map: fu vs full
Shared letters muted; letters that set fu and full apart highlighted. Shared run: 2.
Grammar separator: fu vs full
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: fu is anintj and fullanadjective. On the page they differ by 2 extra letter(s) - “fu” sits inside “full”. Our composite confusion score for this pair is 8805, derived from the frequency rank of both members and their visual similarity.
fu is recorded at frequency rank #8,543, classified as anintj. full is at rank #262, tagged as anadj, pronounced /fʊl/.
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 8805, this pair ranks #500,627 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of fu vs full
Shared letters: fu. Private to "fu": -. Private to "full": l.
"fu" · 2 letters · shape CV · "full" · 4 letters · shape CVCC
Known mistypes of this pair
- full ← ffull · flul · ful · ufll
Frequently Asked Questions
Do "fu" and "full" mean the same thing in a sentence?
Which is more common, "fu" or "full"?
After this comparison
Done with this confusable. These links stay specific to "fu" and "full".
- Full dictionary entry for "fu" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "full" - compare definitions side by side with the headword page. Word entry
- This pair ranks #500,627 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "fu" and "full" also get mixed up with nearby pairs, the highest-scored neighbour is "foh vs fu". 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 #500,627 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.