Which to use
“mex” and “mom” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #30,134
- “mex” frequency rank
- #789
- “mom” frequency rank
- 30923
- confusion score
Side-by-Side Comparison
| Feature | mex | mom |
|---|---|---|
| Definition | The mex of a subset of a well-ordered set is the smallest value from the whole set that does not belong to the subset. | Mother. |
Letter map: mex vs mom
Shared letters muted; letters that set mex and mom apart highlighted. Shared run: 1.
Spelling & dictionary notes on mex vs mom
mex and mom 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 share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 30923, derived from the frequency rank of both members and their visual similarity.
mex is recorded at frequency rank #30,134, classified as anoun. mom is at rank #789, tagged as anoun, pronounced /mɒm/.
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 30923, this pair ranks #350,477 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of mex vs mom
Shared letters: m. Private to "mex": ex. Private to "mom": o.
"mex" · 3 letters · shape CVC · "mom" · 3 letters · shape CVC
Frequently Asked Questions
Is swapping "mex" for "mom" ever safe?
In ordinary English text, does "mex" or "mom" show up more?
What to do next
Pair "mex" vs "mom" is on the table, pick a follow-up below.
- Full dictionary entry for "mex" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "mom" - compare definitions side by side with the headword page. Word entry
- This pair ranks #350,477 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "mex" and "mom" also get mixed up with nearby pairs, the highest-scored neighbour is "mex vs MMP". Nearby pair
Confusion rank #350,477 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.