mouldingvsmullingTell them apart

Which to use

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

#34,599
“moulding” frequency rank
#44,354
“mulling” frequency rank
78953
confusion score

Side-by-Side Comparison

Feature moulding mulling
Definition Alternative spelling of molding. The act of one who mulls or thinks over something.

Letter map: moulding vs mulling

Shared letters muted; letters that set moulding and mulling apart highlighted. Shared run: 6. moulding runs 8 letters (CVVCCVCC) against mulling's 7 (CVCCVCC) - the length gap alone is often enough to separate them once you know to check it.

8 ch
moulding
7 ch
mulling

Pair insight - moulding / mulling

moulding 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 78953, derived from the frequency rank of both members and their visual similarity.

moulding is recorded at frequency rank #34,599, 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 78953, this pair ranks #23,344 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of moulding vs mulling

Shared letters: gilmnu. Private to "moulding": do. Private to "mulling": -.

"moulding" · 8 letters · shape CVVCCVCC  ·  "mulling" · 7 letters · shape CVCCVCC

Known mistypes of this pair

  • moulding ← mmoulding · moluding · moudling · mouldding · mouldign · mouldingg · mouldinng · mouldnig
  • mulling ← mluling · mmulling · mulilng · muling · mullign · mullingg · mullinng · mullnig

Frequently Asked Questions

Can "moulding" and "mulling" be used interchangeably?
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: "moulding" vs "mulling" - which ranks higher?
"moulding" is the more common of the two: it sits at frequency rank #34,599 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

Pair "moulding" vs "mulling" is on the table, pick a follow-up below.

  • Full dictionary entry for "moulding" 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 #23,344 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "moulding" 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 #23,344 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