Which to use
“mull” is a verb and “mullen” is a noun - they look or sound alike but fill different roles in a sentence.
- #31,263
- “mull” frequency rank
- #26,177
- “mullen” frequency rank
- 57440
- confusion score
Side-by-Side Comparison
| Feature | mull | mullen |
|---|---|---|
| Definition | To work (over) mentally; to cogitate; to ruminate. | Alternative form of mullein. |
Letter map: mull vs mullen
Shared letters muted; letters that set mull and mullen apart highlighted. Shared run: 4. mull runs 4 letters (CVCC) against mullen's 6 (CVCCVC) - the length gap alone is often enough to separate them once you know to check it.
Role in the sentence - mull and mullen
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: mull is averb and mullenanoun. On the page they differ by 2 extra letter(s) - “mull” sits inside “mullen”. Our composite confusion score for this pair is 57440, derived from the frequency rank of both members and their visual similarity.
mull is recorded at frequency rank #31,263, classified as averb, pronounced /mʌl/. mullen is at rank #26,177, tagged as anoun.
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 57440, this pair ranks #119,281 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of mull vs mullen
Shared letters: lmu. Private to "mull": -. Private to "mullen": en.
"mull" · 4 letters · shape CVCC · "mullen" · 6 letters · shape CVCCVC
Known mistypes of this pair
Frequently Asked Questions
Do "mull" and "mullen" mean the same thing in a sentence?
Frequency check: "mull" vs "mullen" - which ranks higher?
What to do next
You've compared "mull" and "mullen". Here's where to go from here.
- Full dictionary entry for "mull" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "mullen" - compare definitions side by side with the headword page. Word entry
- This pair ranks #119,281 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "mull" and "mullen" also get mixed up with nearby pairs, the highest-scored neighbour is "mela vs mull". 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 #119,281 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.