lustrovslustrosWhich spelling fits?

Which to use

“lustro” and “lustros” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#42,548
“lustro” frequency rank
#46,652
“lustros” frequency rank
89200
confusion score

Side-by-Side Comparison

Feature lustro lustros
Definition Espacio de tiempo de cinco años. Forma del plural de lustro.

Where the eye mixes lustro and lustros

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence.

6 ch
lustro
7 ch
lustros

Visual trap between lustro and lustros

A purely visual mix-up. lustro ([ˈlust̪ɾo]) and lustros ([ˈlust̪ɾos]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 extra letter(s) - “lustro” sits inside “lustros”. Our composite confusion score for this pair is 89200, derived from the frequency rank of both members and their visual similarity.

lustro is recorded at frequency rank #42,548, classified as anoun, pronounced [ˈlust̪ɾo]. lustros is at rank #46,652, tagged as anoun, pronounced [ˈlust̪ɾos].

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 89200, this pair ranks #3,279 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of lustro vs lustros

Shared letters: lorstu. Private to "lustro": -. Private to "lustros": -.

"lustro" · 6 letters · shape CVCCCV  ·  "lustros" · 7 letters · shape CVCCCVC

Known mistypes of this pair

  • lustrollustro · lsutro · lusrto · lusstro · lustor · lustrro · lusttro · lutsro
  • lustrosllustros · lsutros · lusrtos · lusstros · lustors · lustross · lustrros · lustrso

Frequently Asked Questions

Can "lustro" and "lustros" be used interchangeably?
No. They are said differently ([ˈlust̪ɾo] versus [ˈlust̪ɾos]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "lustro" or "lustros"?
"lustro" is the more common of the two: it sits at frequency rank #42,548 in our Spanish list, against #46,652 for "lustros". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "lustro" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "lustros" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #3,279 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "lustro" and "lustros" also get mixed up with nearby pairs, the highest-scored neighbour is "luso vs lustro". 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 #3,279 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list