MolloyvsmollyWhich spelling fits?

Quick tell: Molloy is a name, molly is a noun, so they fill different roles in a sentence.

Which to use

“Molloy” is a name and “molly” is a noun - they look or sound alike but fill different roles in a sentence.

#42,279
“Molloy” frequency rank
#8,694
“molly” frequency rank
50973
confusion score

Side-by-Side Comparison

Feature Molloy molly
Definition A surname from Irish. A woman or girl, especially of low status or prostitute.

Letter map: Molloy vs molly

Shared letters muted; letters that set Molloy and molly apart highlighted. Shared run: 5.

6 ch
Molloy
5 ch
molly

Grammar separator: Molloy vs molly

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Molloy is aname and mollyanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 50973, derived from the frequency rank of both members and their visual similarity.

Molloy is recorded at frequency rank #42,279, classified as aname. molly is at rank #8,694, tagged as anoun, pronounced /ˈmɒli/.

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 50973, this pair ranks #169,483 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Molloy vs molly

Shared letters: lmoy. Private to "Molloy": -. Private to "molly": -.

"Molloy" · 6 letters · shape CVCCVV  ·  "molly" · 5 letters · shape CVCCV

Known mistypes of this pair

  • Molloymloloy · mmolloy · molloyy · mollyo · mololy · moloy · omlloy
  • mollymloly · mmolly · mollyy · molyl · omlly

Frequently Asked Questions

Is swapping "Molloy" for "molly" ever safe?
No - they are not even the same part of speech. "Molloy" is a name and "molly" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "Molloy" or "molly" show up more?
"molly" is the more common of the two: it sits at frequency rank #8,694 in our English list, against #42,279 for "Molloy". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Done with this confusable. These links stay specific to "Molloy" and "molly".

  • Full dictionary entry for "Molloy" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "molly" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #169,483 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "Molloy" and "molly" also get mixed up with nearby pairs, the highest-scored neighbour is "Mello vs Molloy". 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 #169,483 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