Which to use
“loon” is a noun and “looney” is an adjective - they look or sound alike but fill different roles in a sentence.
- #29,351
- “loon” frequency rank
- #28,981
- “looney” frequency rank
- 58332
- confusion score
Side-by-Side Comparison
| Feature | loon | looney |
|---|---|---|
| Definition | A crazy or deranged person; a lunatic. | Alternative spelling of loony. |
Letter map: loon vs looney
Shared letters muted; letters that set loon and looney apart highlighted. Shared run: 4. loon runs 4 letters (CVVC) against looney's 6 (CVVCVV) - the length gap alone is often enough to separate them once you know to check it.
Part-of-speech tell for loon / looney
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: loon is anoun and looneyanadjective. On the page they differ by 2 extra letter(s) - “loon” sits inside “looney”. Our composite confusion score for this pair is 58332, derived from the frequency rank of both members and their visual similarity.
loon is recorded at frequency rank #29,351, classified as anoun, pronounced /ˈluːn/. looney is at rank #28,981, tagged as anadj.
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 58332, this pair ranks #113,279 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of loon vs looney
Shared letters: lno. Private to "loon": -. Private to "looney": ey.
"loon" · 4 letters · shape CVVC · "looney" · 6 letters · shape CVVCVV
Known mistypes of this pair
Frequently Asked Questions
Can "loon" and "looney" be used interchangeably?
In ordinary English text, does "loon" or "looney" show up more?
Useful next steps
Pair "loon" vs "looney" is on the table, pick a follow-up below.
- Full dictionary entry for "loon" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "looney" - compare definitions side by side with the headword page. Word entry
- This pair ranks #113,279 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "loon" and "looney" also get mixed up with nearby pairs, the highest-scored neighbour is "loon vs lope". 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 #113,279 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.