Which to use
“fuller” is an adjective and “fully” is an adverb - they look or sound alike but fill different roles in a sentence.
- #9,751
- “fuller” frequency rank
- #1,366
- “fully” frequency rank
- 11117
- confusion score
Side-by-Side Comparison
| Feature | fuller | fully |
|---|---|---|
| Definition | comparative form of full: more full | In a full manner; without lack or defect; completely, entirely. |
Where the eye mixes fuller and fully
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.
Why the eye confuses fuller with fully
These two trip readers on the page rather than in the ear: fuller is /ˈfʊ.lə/ while fully is /ˈfʊli/. 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 (adjective vs adverb), which is usually the fastest check. Our composite confusion score for this pair is 11117, derived from the frequency rank of both members and their visual similarity.
fuller is recorded at frequency rank #9,751, classified as anadj, pronounced /ˈfʊ.lə/. fully is at rank #1,366, tagged as anadv, pronounced /ˈfʊli/.
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 11117, this pair ranks #488,801 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of fuller vs fully
Shared letters: flu. Private to "fuller": er. Private to "fully": y.
"fuller" · 6 letters · shape CVCCVC · "fully" · 5 letters · shape CVCCV
Known mistypes of this pair
Frequently Asked Questions
Do "fuller" and "fully" mean the same thing in a sentence?
Frequency check: "fuller" vs "fully" - which ranks higher?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "fuller" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "fully" - compare definitions side by side with the headword page. Word entry
- This pair ranks #488,801 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "fuller" and "fully" also get mixed up with nearby pairs, the highest-scored neighbour is "Führer vs fuller". 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 #488,801 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.