looneyvsloonyWhich spelling fits?

Which to use

“looney” and “loony” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#28,981
“looney” frequency rank
#38,025
“loony” frequency rank
67006
confusion score

Side-by-Side Comparison

Feature looney loony
Definition Alternative spelling of loony. Insane.

Letter map: looney vs loony

Shared letters muted; letters that set looney and loony apart highlighted. Shared run: 5. looney runs 6 letters (CVVCVV) against loony's 5 (CVVCV) - the length gap alone is often enough to separate them once you know to check it.

6 ch
looney
5 ch
loony

Spelling & dictionary notes on looney vs loony

looney and loony are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 67006, derived from the frequency rank of both members and their visual similarity.

looney is recorded at frequency rank #28,981, classified as anadj. loony is at rank #38,025, tagged as anadj, pronounced /ˈluːni/.

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 67006, this pair ranks #65,368 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of looney vs loony

Shared letters: lnoy. Private to "looney": e. Private to "loony": -.

"looney" · 6 letters · shape CVVCVV  ·  "loony" · 5 letters · shape CVVCV

Known mistypes of this pair

  • looney ← llooney · loney · lonoey · looeny · looneyy · loonney · loonye · oloney
  • loony ← lloony · lonoy · lony · loonny · loonyy · looyn · olony

Frequently Asked Questions

Do "looney" and "loony" mean the same thing in a sentence?
No. They differ by 1 letter(s) in length, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Frequency check: "looney" vs "loony" - which ranks higher?
"looney" is the more common of the two: it sits at frequency rank #28,981 in our English list, against #38,025 for "loony". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

You've compared "looney" and "loony". Here's where to go from here.

  • Full dictionary entry for "looney" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "loony" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #65,368 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "looney" and "loony" also get mixed up with nearby pairs, the highest-scored neighbour is "loony vs loy". 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 #65,368 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list