puffinvspuffingWhich spelling fits?

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

Which to use

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

#43,862
“puffin” frequency rank
#35,895
“puffing” frequency rank
79757
confusion score

Side-by-Side Comparison

Feature puffin puffing
Definition The young of the Manx shearwater (Puffinus puffinus), especially eaten as food. present participle and gerund of puff

Letter map: puffin vs puffing

Shared letters muted; letters that set puffin and puffing apart highlighted. Shared run: 6. puffin runs 6 letters (CVCCVC) against puffing's 7 (CVCCVCC) - the length gap alone is often enough to separate them once you know to check it.

6 ch
puffin
7 ch
puffing

Grammar separator: puffin vs puffing

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: puffin is anoun and puffingaverb. On the page they differ by 1 extra letter(s) - “puffin” sits inside “puffing”. Our composite confusion score for this pair is 79757, derived from the frequency rank of both members and their visual similarity.

puffin is recorded at frequency rank #43,862, classified as anoun, pronounced /ˈpʌfɪn/. puffing is at rank #35,895, tagged as averb.

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 79757, this pair ranks #21,350 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of puffin vs puffing

Shared letters: finpu. Private to "puffin": -. Private to "puffing": g.

"puffin" · 6 letters · shape CVCCVC  ·  "puffing" · 7 letters · shape CVCCVCC

Known mistypes of this pair

  • puffin ← pfufin · ppuffin · puffinn · puffni · pufifn · pufin · upffin
  • puffing ← pfufing · ppuffing · puffign · puffingg · puffinng · puffnig · pufifng · pufing

Frequently Asked Questions

Is swapping "puffin" for "puffing" ever safe?
No - they are not even the same part of speech. "puffin" is a noun and "puffing" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "puffin" or "puffing"?
"puffing" is the more common of the two: it sits at frequency rank #35,895 in our English list, against #43,862 for "puffin". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Done with this confusable. These links stay specific to "puffin" and "puffing".

  • Full dictionary entry for "puffin" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "puffing" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #21,350 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "puffin" and "puffing" also get mixed up with nearby pairs, the highest-scored neighbour is "puffer vs puffin". 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 #21,350 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list