Which to use
“blot” and “bly” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #27,745
- “blot” frequency rank
- #46,343
- “bly” frequency rank
- 74088
- confusion score
Side-by-Side Comparison
| Feature | blot | bly |
|---|---|---|
| Definition | A blemish, spot or stain made by a coloured substance. | Likeness; resemblance; look aspect; species; character. |
Where the eye mixes blot and bly
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. blot runs 4 letters (CCVC) against bly's 3 (CCV) - the length gap alone is often enough to separate them once you know to check it.
Why the eye confuses blot with bly
A purely visual mix-up. blot (/blɒt/) and bly (/blaɪ/) 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 74088, derived from the frequency rank of both members and their visual similarity.
blot is recorded at frequency rank #27,745, classified as anoun, pronounced /blɒt/. bly is at rank #46,343, tagged as anoun, pronounced /blaɪ/.
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 74088, this pair ranks #37,459 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of blot vs bly
Shared letters: bl. Private to "blot": ot. Private to "bly": y.
"blot" · 4 letters · shape CCVC · "bly" · 3 letters · shape CCV
Known mistypes of this pair
- blot ← bblot · bllot · blott · blto · lbot
Frequently Asked Questions
Is swapping "blot" for "bly" ever safe?
Frequency check: "blot" vs "bly" - which ranks higher?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "blot" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "bly" - compare definitions side by side with the headword page. Word entry
- This pair ranks #37,459 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "blot" and "bly" also get mixed up with nearby pairs, the highest-scored neighbour is "BFS vs bly". 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 #37,459 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.