sincerasvssinceroWhich spelling fits?

Which to use

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

#18,980
“sinceras” frequency rank
#5,672
“sincero” frequency rank
24652
confusion score

Side-by-Side Comparison

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

Where the eye mixes sinceras and sincero

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. sinceras runs 8 letters (CVCCVCVC) against sincero's 7 (CVCCVCV) - the length gap alone is often enough to separate them once you know to check it.

8 ch
sinceras
7 ch
sincero

Look-alike desk: sinceras vs sincero

A purely visual mix-up. sinceras ([sĩnˈseɾas]) and sincero ([sĩnˈseɾo]) 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 24652, derived from the frequency rank of both members and their visual similarity.

sinceras is recorded at frequency rank #18,980, classified as anadj, pronounced [sĩnˈseɾas]. sincero is at rank #5,672, tagged as anadj, pronounced [sĩnˈseɾo].

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 24652, this pair ranks #240,147 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of sinceras vs sincero

Shared letters: ceinrs. Private to "sinceras": a. Private to "sincero": o.

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

Known mistypes of this pair

  • sinceras ← cinceras · isnceras · sicneras · sincceras · sincears · sincerass · sincerras · sincersa
  • sincero ← cincero · isncero · sicnero · sinccero · sinceor · sincerro · sincreo · sinecro

Frequently Asked Questions

Is swapping "sinceras" for "sincero" ever safe?
No. They are said differently ([sĩnˈseɾas] versus [sĩnˈseɾo]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Spanish text, does "sinceras" or "sincero" show up more?
"sincero" is the more common of the two: it sits at frequency rank #5,672 in our Spanish list, against #18,980 for "sinceras". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "sinceras" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sincero" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #240,147 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "sinceras" and "sincero" 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 #240,147 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