biasvsbosWhich spelling fits?

Which to use

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

#37,454
“bias” frequency rank
#44,013
“bos” frequency rank
81467
confusion score

Side-by-Side Comparison

Feature bias bos
Definition Inclinación. Animal bovino.

Where the eye mixes bias and bos

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. bias runs 4 letters (CVVC) against bos's 3 (CVC) - the length gap alone is often enough to separate them once you know to check it.

4 ch
bias
3 ch
bos

Visual trap between bias and bos

A purely visual mix-up. bias (/ˈbaɪ.əs/) and bos (/ˈboːs/) 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 81467, derived from the frequency rank of both members and their visual similarity.

bias is recorded at frequency rank #37,454, classified as anoun, pronounced /ˈbaɪ.əs/. bos is at rank #44,013, tagged as anoun, pronounced /ˈboːs/.

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 81467, this pair ranks #10,370 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of bias vs bos

Shared letters: bs. Private to "bias": ai. Private to "bos": o.

"bias" · 4 letters · shape CVVC  ·  "bos" · 3 letters · shape CVC

Known mistypes of this pair

  • bias ← bbias · biass

Frequently Asked Questions

Is swapping "bias" for "bos" ever safe?
No. They are said differently (/ˈbaɪ.əs/ versus /ˈboːs/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "bias" or "bos"?
"bias" is the more common of the two: it sits at frequency rank #37,454 in our Spanish list, against #44,013 for "bos". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "bias" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "bos" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #10,370 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "bias" and "bos" also get mixed up with nearby pairs, the highest-scored neighbour is "bos vs Bru". 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 #10,370 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