mostrarvsmostrasWhat's the difference?

Quick tell: mostrar is a verb, mostras is a noun, so they fill different roles in a sentence.

Which to use

“mostrar” is a verb and “mostras” is a noun - they look or sound alike but fill different roles in a sentence.

#712
“mostrar” frequency rank
#15,403
“mostras” frequency rank
16115
confusion score

Side-by-Side Comparison

Feature mostrar mostras
Definition fazer aparecer plural de mostra

Letter map: mostrar vs mostras

Shared letters muted; letters that set mostrar and mostras apart highlighted. Shared run: 6. mostrar and mostras follow the identical consonant-vowel pattern (CVCCCVC). Same shape at a glance is often the real trap, independent of shared letters.

7 ch
mostrar
7 ch
mostras

Part-of-speech tell for mostrar / mostras

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: mostrar is averb and mostrasanoun. On the page they differ by a single letter - r in “mostrar” becomes s in “mostras”. Our composite confusion score for this pair is 16115, derived from the frequency rank of both members and their visual similarity.

mostrar is recorded at frequency rank #712, classified as averb, pronounced /muʃ.ˈtɾaɾ/. 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 16115, this pair ranks #55,502 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of mostrar vs mostras

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

"mostrar" · 7 letters · shape CVCCCVC  ·  "mostras" · 7 letters · shape CVCCCVC

Known mistypes of this pair

  • mostrar ← mmostrar · mosrtar · mosstrar · mostarr · mostrarr · mostrra · mostrrar · mosttrar
  • mostras ← mmostras · mosrtas · mosstras · mostars · mostrass · mostrras · mostrsa · mosttras

Frequently Asked Questions

Can "mostrar" and "mostras" be used interchangeably?
No - they are not even the same part of speech. "mostrar" is a verb and "mostras" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "mostrar" or "mostras"?
"mostrar" is the more common of the two: it sits at frequency rank #712 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.

What to do next

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

  • Full dictionary entry for "mostrar" 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 #55,502 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "mostrar" and "mostras" also get mixed up with nearby pairs, the highest-scored neighbour is "moderar vs mostrar". 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 #55,502 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