matervsmathTell them apart

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

Which to use

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

#31,868
“mater” frequency rank
#31,869
“math” frequency rank
63737
confusion score

Side-by-Side Comparison

Feature mater math
Definition maternidade, estabelecimento público ou privado destinado a receber mulheres que estão a ponto de dar a luz bom

Letter map: mater vs math

Shared letters muted; letters that set mater and math apart highlighted. Shared run: 3.

5 ch
mater
4 ch
math

Grammar separator: mater vs math

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: mater is anoun and mathanadjective. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 63737, derived from the frequency rank of both members and their visual similarity.

mater is recorded at frequency rank #31,868, classified as anoun, pronounced /ma.tɛʁ/. 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 63737, this pair ranks #6,066 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of mater vs math

Shared letters: amt. Private to "mater": er. Private to "math": h.

"mater" · 5 letters · shape CVCVC  ·  "math" · 4 letters · shape CVCC

Known mistypes of this pair

  • materamter · maetr · materr · mmater · mtaer
  • mathamth · maht · mathh · matth · mmath · mtah

Frequently Asked Questions

Can "mater" and "math" be used interchangeably?
No - they are not even the same part of speech. "mater" is a noun and "math" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "mater" or "math" show up more?
"mater" is the more common of the two: it sits at frequency rank #31,868 in our Portuguese list, against #31,869 for "math". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

You've compared "mater" and "math". Here's where to go from here.

  • Full dictionary entry for "mater" 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 #6,066 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "mater" 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 #6,066 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