Which to use
“weir” is a noun and “weird” is an adjective - they look or sound alike but fill different roles in a sentence.
- #14,670
- “weir” frequency rank
- #1,653
- “weird” frequency rank
- 16323
- confusion score
Side-by-Side Comparison
| Feature | weir | weird |
|---|---|---|
| Definition | An adjustable dam placed across a river to regulate the flow of water downstream. | Having an unusually strange character or behaviour. |
Where the eye mixes weir and weird
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. weir runs 4 letters (CVVC) against weird's 5 (CVVCC) - the length gap alone is often enough to separate them once you know to check it.
Why the eye confuses weir with weird
These two trip readers on the page rather than in the ear: weir is /wɪə̯/ while weird is /ˈwɪə(ɹ)d/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 extra letter(s) - “weir” sits inside “weird”, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 16323, derived from the frequency rank of both members and their visual similarity.
weir is recorded at frequency rank #14,670, classified as anoun, pronounced /wɪə̯/. weird is at rank #1,653, tagged as anadj, pronounced /ˈwɪə(ɹ)d/.
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 16323, this pair ranks #458,483 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of weir vs weird
Shared letters: eirw. Private to "weir": -. Private to "weird": d.
"weir" · 4 letters · shape CVVC · "weird" · 5 letters · shape CVVCC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "weir" for "weird" ever safe?
Frequency check: "weir" vs "weird" - which ranks higher?
What to do next
Eye-level mix-up between "weir" and "weird" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "weir" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "weird" - compare definitions side by side with the headword page. Word entry
- This pair ranks #458,483 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "weir" and "weird" also get mixed up with nearby pairs, the highest-scored neighbour is "weir vs werk". 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 #458,483 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.