bienvsbirdWhich spelling fits?

Which to use

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

#58
“bien” frequency rank
#19,928
“bird” frequency rank
19986
confusion score

Side-by-Side Comparison

Feature bien bird
Definition Lo que es correcto, lo que es justo, lo que ayuda. Pájaro

Where the eye mixes bien and bird

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
bien
4 ch
bird

Visual trap between bien and bird

A purely visual mix-up. bien ([ˈbjẽn]) and bird (/bɜːd/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 19986, derived from the frequency rank of both members and their visual similarity.

bien is recorded at frequency rank #58, classified as anoun, pronounced [ˈbjẽn]. bird is at rank #19,928, tagged as anoun, pronounced /bɜːd/.

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 19986, this pair ranks #261,292 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of bien vs bird

Shared letters: bi. Private to "bien": en. Private to "bird": dr.

"bien" · 4 letters · shape CVVC  ·  "bird" · 4 letters · shape CVCC

Known mistypes of this pair

  • bienbbien · bein · bienn · bine · iben · vien
  • birdbbird · bidr · birdd · birrd · brid · ibrd · vird

Frequently Asked Questions

Is swapping "bien" for "bird" ever safe?
No. They are said differently ([ˈbjẽn] versus /bɜːd/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "bien" or "bird"?
"bien" is the more common of the two: it sits at frequency rank #58 in our Spanish list, against #19,928 for "bird". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

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

  • Full dictionary entry for "bien" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "bird" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #261,292 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "bien" and "bird" also get mixed up with nearby pairs, the highest-scored neighbour is "bird 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 #261,292 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