sincerovssincerosConfusable pair

Which to use

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

#5,672
“sincero” frequency rank
#13,792
“sinceros” frequency rank
19464
confusion score

Side-by-Side Comparison

Feature sincero sinceros
Definition Que procura decir la verdad y no engañar. Forma del plural de sincero.

Where the eye mixes sincero and sinceros

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence. sincero runs 7 letters (CVCCVCV) against sinceros's 8 (CVCCVCVC) - the length gap alone is often enough to separate them once you know to check it.

7 ch
sincero
8 ch
sinceros

Why the eye confuses sincero with sinceros

A purely visual mix-up. sincero ([sĩnˈseɾo]) and sinceros ([sĩnˈseɾos]) 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) - “sincero” sits inside “sinceros”. Our composite confusion score for this pair is 19464, derived from the frequency rank of both members and their visual similarity.

sincero is recorded at frequency rank #5,672, classified as anadj, pronounced [sĩnˈseɾo]. sinceros is at rank #13,792, tagged as anadj, pronounced [sĩnˈseɾos].

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 19464, this pair ranks #263,644 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of sincero vs sinceros

Shared letters: ceinors. Private to "sincero": -. Private to "sinceros": -.

"sincero" · 7 letters · shape CVCCVCV  ·  "sinceros" · 8 letters · shape CVCCVCVC

Known mistypes of this pair

  • sincero ← cincero · isncero · sicnero · sinccero · sinceor · sincerro · sincreo · sinecro
  • sinceros ← cinceros · isnceros · sicneros · sincceros · sinceors · sinceross · sincerros · sincerso

Frequently Asked Questions

Do "sincero" and "sinceros" mean the same thing in a sentence?
No. They are said differently ([sĩnˈseɾo] versus [sĩnˈseɾos]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "sincero" or "sinceros"?
"sincero" is the more common of the two: it sits at frequency rank #5,672 in our Spanish list, against #13,792 for "sinceros". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "sincero" and "sinceros" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "sincero" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sinceros" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #263,644 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "sincero" and "sinceros" also get mixed up with nearby pairs, the highest-scored neighbour is "since vs sincero". 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 #263,644 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