sinceravssincerosWhich spelling fits?

Which to use

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

#8,053
“sincera” frequency rank
#13,792
“sinceros” frequency rank
21845
confusion score

Side-by-Side Comparison

Feature sincera sinceros
Definition Forma del femenino de sincero. Forma del plural de sincero.

Where the eye mixes sincera and sinceros

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. sincera 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
sincera
8 ch
sinceros

Why the eye confuses sincera with sinceros

A purely visual mix-up. sincera ([sĩnˈseɾa]) 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 letter(s) in length. Our composite confusion score for this pair is 21845, derived from the frequency rank of both members and their visual similarity.

sincera is recorded at frequency rank #8,053, classified as anadj, pronounced [sĩnˈseɾa]. 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 21845, this pair ranks #253,091 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of sincera vs sinceros

Shared letters: ceinrs. Private to "sincera": a. Private to "sinceros": o.

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

Known mistypes of this pair

  • sincera ← cincera · isncera · sicnera · sinccera · sincear · sincerra · sincrea · sinecra
  • sinceros ← cinceros · isnceros · sicneros · sincceros · sinceors · sinceross · sincerros · sincerso

Frequently Asked Questions

Do "sincera" and "sinceros" mean the same thing in a sentence?
No. They are said differently ([sĩnˈseɾa] versus [sĩnˈseɾos]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "sincera" vs "sinceros" - which ranks higher?
"sincera" is the more common of the two: it sits at frequency rank #8,053 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.

What to do next

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

  • Full dictionary entry for "sincera" 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 #253,091 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "sincera" and "sinceros" also get mixed up with nearby pairs, the highest-scored neighbour is "since vs sincera". 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 #253,091 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