mostravsmostrasWhich spelling fits?

Which to use

“mostra” and “mostras” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#772
“mostra” frequency rank
#15,403
“mostras” frequency rank
16175
confusion score

Side-by-Side Comparison

Feature mostra mostras
Definition exemplo, espécime plural de mostra

Letter map: mostra vs mostras

Shared letters muted; letters that set mostra and mostras apart highlighted. Shared run: 6.

6 ch
mostra
7 ch
mostras

Spelling & dictionary notes on mostra vs mostras

mostra and mostras are indexed as a confusable Portuguese pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 1 extra letter(s) - “mostra” sits inside “mostras”. Our composite confusion score for this pair is 16175, derived from the frequency rank of both members and their visual similarity.

mostra is recorded at frequency rank #772, classified as anoun, pronounced /ˈmɔʃ.tɾɐ/. mostras is at rank #15,403, tagged as anoun.

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 16175, this pair ranks #55,434 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of mostra vs mostras

Shared letters: amorst. Private to "mostra": -. Private to "mostras": -.

"mostra" · 6 letters · shape CVCCCV  ·  "mostras" · 7 letters · shape CVCCCVC

Known mistypes of this pair

  • mostrammostra · mosrta · mosstra · mostar · mosttra · motsra · msotra · omstra
  • mostrasmmostras · mosrtas · mosstras · mostars · mostrass · mostrras · mostrsa · mosttras

Frequently Asked Questions

Do "mostra" and "mostras" mean the same thing in a sentence?
No. They differ by 1 extra letter(s) - “mostra” sits inside “mostras”, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Frequency check: "mostra" vs "mostras" - which ranks higher?
"mostra" is the more common of the two: it sits at frequency rank #772 in our Portuguese list, against #15,403 for "mostras". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Pair "mostra" vs "mostras" is on the table, pick a follow-up below.

  • Full dictionary entry for "mostra" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "mostras" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #55,434 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "mostra" and "mostras" also get mixed up with nearby pairs, the highest-scored neighbour is "mitra vs mostra". 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 #55,434 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