Which to use
“bir” is a num and “bird” is a noun - they look or sound alike but fill different roles in a sentence.
- #48,247
- “bir” frequency rank
- #19,928
- “bird” frequency rank
- 68175
- confusion score
Side-by-Side Comparison
| Feature | bir | bird |
|---|---|---|
| Definition | Uno, un. | Pájaro |
Where the eye mixes bir and bird
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Why the eye confuses bir with bird
These two trip readers on the page rather than in the ear: bir is [bir] while bird is /bɜːd/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 extra letter(s) - “bir” sits inside “bird”, and the parts of speech differ too (num vs noun), which is usually the fastest check. Our composite confusion score for this pair is 68175, derived from the frequency rank of both members and their visual similarity.
bir is recorded at frequency rank #48,247, classified as anum, pronounced [bir]. 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 68175, this pair ranks #35,183 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.
Orthographic DNA of bir vs bird
Shared letters: bir. Private to "bir": -. Private to "bird": d.
"bir" · 3 letters · shape CVC · "bird" · 4 letters · shape CVCC
Known mistypes of this pair
- bird ← bbird · bidr · birdd · birrd · brid · ibrd · vird
Frequently Asked Questions
Is swapping "bir" for "bird" ever safe?
In ordinary Spanish text, does "bir" or "bird" show up more?
Useful next steps
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "bir" 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 #35,183 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "bir" and "bird" also get mixed up with nearby pairs, the highest-scored neighbour is "bir vs brie". 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 #35,183 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.