mex
"mex" is a 3-letter English headword indexed on PlainSpell.
The verdict
“mex” sits in 20 confusable pairs (corpus #30,134) as a noun. The look-alike neighbours are the real trap.
- #30,134
- frequency rank, English
- 4,057
- “M” headwords
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - 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.
Corpus desk
Index EN-mex · mex · English
mex · rank #30,134 · 0 variants · 20 confusables
- FREQ-MID #30,134
- LEN-MID 3 letters
- VOW-1 1 vowel
- CONFUS-HIGH 20 pairs
- VAR-0 0 variants
- BOOK-MID 4,057
- PHOTO-FINISH methamphetami…
Nearest frequency peer: methamphetamine (-1 rank slots)
Read with this headword: Spelling guide for this pattern
Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.
Frequency neighbours of confusable “mex”
Peers at similar corpus weight, separate from look-alike pairs below
- McClellan
McClellan
69,871 corpus weight
- McCulloch
McCulloch
69,870 corpus weight
- Mehta
Mehta
69,869 corpus weight
- methampheta…
methamphetamine
69,868 corpus weight
- mex
mex
69,867 corpus weight
- Midas
Midas
69,866 corpus weight
What this shows Bars place “mex” against nearest ranked English headwords, not a reprint of the confusable-pair desk.
Visual similarity to commonly confused words
How many letter changes separate each confused pair (Levenshtein distance, normalized).
Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).
| Property | Value |
|---|---|
| Headword | mex |
| Language | English |
| Part of speech | Noun |
| Letters | 3 |
| Frequency rank | #30,134 |
| Misspellings tracked | 0 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Corpus rank beside confusables of “mex”
Easy to mix with look-alikes
The spelling risk for mex is neighbouring look-alikes ("my", "Mr", …), not just typos; it is anoun. Frequency #30,134 among 4,057 “M” headwords. Gloss: "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.".
No misspelling variants are generated for mex in our index, a straightforward case of a spelling with little room for common typos. It also participates in 20 confusable-pair relationships, "my", "Mr", "MS", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.
Etymologically, the entry records: Shortening of minimum excluded value. The correct English form is mex, spelled M-E-X.
Definition
- 1The mex of a subset of a well-ordered set is the smallest value from the whole set that does not belong to the subset.
Etymology
Shortening of minimum excluded value.
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
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Similar English words by spelling shape
Same letter count and similar misspelling depth for "mex", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 3 letters (nearest by frequency rank).