MarkvsmathWhat's the difference?

Quick tell: Mark is a noun, math is an adjective, so they fill different roles in a sentence.

Which to use

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

#2,587
“Mark” frequency rank
#31,869
“math” frequency rank
34456
confusion score

Side-by-Side Comparison

Feature Mark math
Definition Marcos bom

Letter map: Mark vs math

Shared letters muted; letters that set Mark and math apart highlighted. Shared run: 2.

4 ch
Mark
4 ch
math

Role in the sentence - Mark and math

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Mark is anoun and mathanadjective. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 34456, derived from the frequency rank of both members and their visual similarity.

Mark is recorded at frequency rank #2,587, classified as anoun, pronounced /maːk/ (Austrália).. math is at rank #31,869, tagged as anadj.

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 34456, this pair ranks #32,798 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Mark vs math

Shared letters: am. Private to "Mark": kr. Private to "math": ht.

"Mark" · 4 letters · shape CVCC  ·  "math" · 4 letters · shape CVCC

Known mistypes of this pair

  • Markamrk · makr · markk · marrk · mmark · mrak
  • mathamth · maht · mathh · matth · mmath · mtah

Frequently Asked Questions

Is swapping "Mark" for "math" ever safe?
No - they are not even the same part of speech. "Mark" is a noun and "math" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "Mark" or "math" show up more?
"Mark" is the more common of the two: it sits at frequency rank #2,587 in our Portuguese list, against #31,869 for "math". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Done with this confusable. These links stay specific to "Mark" and "math".

  • Full dictionary entry for "Mark" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "math" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #32,798 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "Mark" and "math" also get mixed up with nearby pairs, the highest-scored neighbour is "maa vs math". 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 #32,798 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list