Which to use
“bid” is a noun and “bir” is a num - they look or sound alike but fill different roles in a sentence.
- #25,531
- “bid” frequency rank
- #48,247
- “bir” frequency rank
- 73778
- confusion score
Side-by-Side Comparison
| Feature | bid | bir |
|---|---|---|
| Definition | Oferta. | Uno, un. |
Where the eye mixes bid and bir
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses bid with bir
These two trip readers on the page rather than in the ear: bid is /bɪd/ while bir is [bir]. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - d in “bid” becomes r in “bir”, and the parts of speech differ too (noun vs num), which is usually the fastest check. Our composite confusion score for this pair is 73778, derived from the frequency rank of both members and their visual similarity.
bid is recorded at frequency rank #25,531, classified as anoun, pronounced /bɪd/. bir is at rank #48,247, tagged as anum, pronounced [bir].
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 73778, this pair ranks #22,612 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.
Orthographic DNA of bid vs bir
Shared letters: bi. Private to "bid": d. Private to "bir": r.
"bid" · 3 letters · shape CVC · "bir" · 3 letters · shape CVC
Frequently Asked Questions
Is swapping "bid" for "bir" ever safe?
In ordinary Spanish text, does "bid" or "bir" 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 "bid" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "bir" - compare definitions side by side with the headword page. Word entry
- This pair ranks #22,612 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "bid" and "bir" also get mixed up with nearby pairs, the highest-scored neighbour is "bir vs brie". Nearby pair
Confusion rank #22,612 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.