moavsmumConfusable pair

Which to use

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

#29,747
“moa” frequency rank
#3,573
“mum” frequency rank
33320
confusion score

Side-by-Side Comparison

Feature moa mum
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. Mother.

Where the eye mixes moa and mum

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
moa
3 ch
mum

Visual trap between moa and mum

A purely visual mix-up. moa (/ˈmɒʌ/) and mum (/mʌm/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 33320, 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/. mum is at rank #3,573, tagged as anoun, pronounced /mʌm/.

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 33320, this pair ranks #330,461 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of moa vs mum

Shared letters: m. Private to "moa": ao. Private to "mum": u.

"moa" · 3 letters · shape CVV  ·  "mum" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "moa" for "mum" ever safe?
No. They are said differently (/ˈmɒʌ/ versus /mʌm/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "moa" or "mum"?
"mum" is the more common of the two: it sits at frequency rank #3,573 in our English list, against #29,747 for "moa". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Eye-level mix-up between "moa" and "mum" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "moa" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "mum" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #330,461 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "moa" and "mum" also get mixed up with nearby pairs, the highest-scored neighbour is "moa vs MPAA". Nearby pair

Confusion rank #330,461 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