Which to use
“loose” is a verb and “louse” is a noun - they look or sound alike but fill different roles in a sentence.
- #3,243
- “loose” frequency rank
- #47,167
- “louse” frequency rank
- 50410
- confusion score
Side-by-Side Comparison
| Feature | loose | louse |
|---|---|---|
| Definition | To let loose, to free from restraints. | A small parasitic wingless insect of the order Psocodea. |
Where the eye mixes loose and louse
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. loose and louse follow the identical consonant-vowel pattern (CVVCV). Same shape at a glance is often the real trap, independent of shared letters.
Look-alike desk: loose vs louse
These two trip readers on the page rather than in the ear: loose is /luːs/ while louse is /laʊs/. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - o in “loose” becomes u in “louse”, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 50410, derived from the frequency rank of both members and their visual similarity.
loose is recorded at frequency rank #3,243, classified as averb, pronounced /luːs/. louse is at rank #47,167, tagged as anoun, pronounced /laʊs/.
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 50410, this pair ranks #174,541 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of loose vs louse
Shared letters: elos. Private to "loose": -. Private to "louse": u.
"loose" · 5 letters · shape CVVCV · "louse" · 5 letters · shape CVVCV
Known mistypes of this pair
Frequently Asked Questions
Do "loose" and "louse" mean the same thing in a sentence?
In ordinary English text, does "loose" or "louse" show up more?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "loose" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "louse" - compare definitions side by side with the headword page. Word entry
- This pair ranks #174,541 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "loose" and "louse" also get mixed up with nearby pairs, the highest-scored neighbour is "lope vs louse". 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 #174,541 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.