mathvsMathisWhich spelling fits?

Quick tell: math is a noun, Mathis is a name, so they fill different roles in a sentence.

Which to use

“math” is a noun and “Mathis” is a name - they look or sound alike but fill different roles in a sentence.

#11,994
“math” frequency rank
#27,125
“Mathis” frequency rank
39119
confusion score

Side-by-Side Comparison

Feature math Mathis
Definition Variante orthographique de maths. Prénom masculin.

Where the eye mixes math and Mathis

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

4 ch
math
6 ch
Mathis

Look-alike desk: math vs Mathis

These two trip readers on the page rather than in the ear: math is \mat\ while Mathis is \ma.tis\. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “math” sits inside “Mathis”, and the parts of speech differ too (noun vs name), which is usually the fastest check. Our composite confusion score for this pair is 39119, derived from the frequency rank of both members and their visual similarity.

math is recorded at frequency rank #11,994, classified as anoun, pronounced \mat\. Mathis is at rank #27,125, tagged as aname, pronounced \ma.tis\.

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 39119, this pair ranks #250,370 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of math vs Mathis

Shared letters: ahmt. Private to "math": -. Private to "Mathis": is.

"math" · 4 letters · shape CVCC  ·  "Mathis" · 6 letters · shape CVCCVC

Known mistypes of this pair

  • mathamth · maht · mathh · matth · mmath · mtah
  • Mathisamthis · mahtis · mathhis · mathiss · mathsi · matihs · matthis · mmathis

Frequently Asked Questions

Is swapping "math" for "Mathis" ever safe?
No - they are not even the same part of speech. "math" is a noun and "Mathis" a name, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "math" or "Mathis"?
"math" is the more common of the two: it sits at frequency rank #11,994 in our French list, against #27,125 for "Mathis". 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 "math" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Mathis" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #250,370 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "math" and "Mathis" also get mixed up with nearby pairs, the highest-scored neighbour is "malais vs Mathis". 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 #250,370 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list