moavsmookTell them apart

Which to use

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

#29,747
“moa” frequency rank
#48,363
“mook” frequency rank
78110
confusion score

Side-by-Side Comparison

Feature moa mook
Definition Any of several species of large, extinct, flightless birds of the family Dinornithidae that were native to New Zealand; until its extinction, one species was the largest bird in the world. A disagreeable or incompetent person.

Where the eye mixes moa and mook

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. moa runs 3 letters (CVV) against mook's 4 (CVVC) - the length gap alone is often enough to separate them once you know to check it.

3 ch
moa
4 ch
mook

Why the eye confuses moa with mook

A purely visual mix-up. moa (/ˈmɒʌ/) and mook (/muːk/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 78110, derived from the frequency rank of both members and their visual similarity.

moa is recorded at frequency rank #29,747, classified as anoun, pronounced /ˈmɒʌ/. mook is at rank #48,363, tagged as anoun, pronounced /muːk/.

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 78110, this pair ranks #25,467 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of moa vs mook

Shared letters: mo. Private to "moa": a. Private to "mook": k.

"moa" · 3 letters · shape CVV  ·  "mook" · 4 letters · shape CVVC

Known mistypes of this pair

  • mook ← mmook · mok · moko · mookk · omok

Frequently Asked Questions

Is swapping "moa" for "mook" ever safe?
No. They are said differently (/ˈmɒʌ/ versus /muːk/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary English text, does "moa" or "mook" show up more?
"moa" is the more common of the two: it sits at frequency rank #29,747 in our English list, against #48,363 for "mook". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "moa" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "mook" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #25,467 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "moa" and "mook" also get mixed up with nearby pairs, the highest-scored neighbour is "Moog vs mook". 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 #25,467 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