blowvsblyWhat's the difference?

Quick tell: blow is a verb, bly is a noun, so they fill different roles in a sentence.

Which to use

“blow” is a verb and “bly” is a noun - they look or sound alike but fill different roles in a sentence.

#2,516
“blow” frequency rank
#46,343
“bly” frequency rank
48859
confusion score

Side-by-Side Comparison

Feature blow bly
Definition To produce an air current. Likeness; resemblance; look aspect; species; character.

Where the eye mixes blow and bly

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

4 ch
blow
3 ch
bly

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: blow is /bləʊ/ while bly is /blaɪ/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 48859, derived from the frequency rank of both members and their visual similarity.

blow is recorded at frequency rank #2,516, classified as averb, pronounced /bləʊ/. 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 48859, this pair ranks #189,112 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of blow vs bly

Shared letters: bl. Private to "blow": ow. Private to "bly": y.

"blow" · 4 letters · shape CCVC  ·  "bly" · 3 letters · shape CCV

Known mistypes of this pair

  • blowbblow · bllow · bloww · blwo · lbow

Frequently Asked Questions

Can "blow" and "bly" be used interchangeably?
No - they are not even the same part of speech. "blow" is a verb and "bly" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "blow" or "bly"?
"blow" is the more common of the two: it sits at frequency rank #2,516 in our English list, against #46,343 for "bly". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list