mullenvsmullingWhat's the difference?

Which to use

“mullen” and “mulling” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#26,177
“mullen” frequency rank
#44,354
“mulling” frequency rank
70531
confusion score

Side-by-Side Comparison

Feature mullen mulling
Definition Alternative form of mullein. The act of one who mulls or thinks over something.

Letter map: mullen vs mulling

Shared letters muted; letters that set mullen and mulling apart highlighted. Shared run: 5. mullen runs 6 letters (CVCCVC) against mulling's 7 (CVCCVCC) - the length gap alone is often enough to separate them once you know to check it.

6 ch
mullen
7 ch
mulling

Corpus notes: mullen and mulling

mullen and mulling are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 70531, derived from the frequency rank of both members and their visual similarity.

mullen is recorded at frequency rank #26,177, classified as anoun. mulling is at rank #44,354, 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 70531, this pair ranks #50,207 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of mullen vs mulling

Shared letters: lmnu. Private to "mullen": e. Private to "mulling": gi.

"mullen" · 6 letters · shape CVCCVC  ·  "mulling" · 7 letters · shape CVCCVCC

Known mistypes of this pair

  • mullen ← mlulen · mmullen · muleln · mulen · mullenn · mullne · umllen
  • mulling ← mluling · mmulling · mulilng · muling · mullign · mullingg · mullinng · mullnig

Frequently Asked Questions

Is swapping "mullen" for "mulling" ever safe?
No. They differ by 1 letter(s) in length, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Frequency check: "mullen" vs "mulling" - which ranks higher?
"mullen" is the more common of the two: it sits at frequency rank #26,177 in our English list, against #44,354 for "mulling". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

You've compared "mullen" and "mulling". Here's where to go from here.

  • Full dictionary entry for "mullen" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "mulling" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #50,207 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "mullen" and "mulling" also get mixed up with nearby pairs, the highest-scored neighbour is "mulling vs musing". 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 #50,207 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