Which to use
“hm” is a determiner and “hmmm” is an intj - they look or sound alike but fill different roles in a sentence.
- #9,346
- “hm” frequency rank
- #12,787
- “hmmm” frequency rank
- 22133
- confusion score
Side-by-Side Comparison
| Feature | hm | hmmm |
|---|---|---|
| Definition | Initialism of how much. | Elongated form of hmm. |
Letter map: hm vs hmmm
Shared letters muted; letters that set hm and hmmm apart highlighted. Shared run: 2.
Grammar separator: hm vs hmmm
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: hm is adeterminer and hmmmanintj. On the page they differ by 2 extra letter(s) - “hm” sits inside “hmmm”. Our composite confusion score for this pair is 22133, derived from the frequency rank of both members and their visual similarity.
hm is recorded at frequency rank #9,346, classified as adet. hmmm is at rank #12,787, tagged as anintj, pronounced /hm̩ː/.
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 22133, this pair ranks #418,828 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of hm vs hmmm
Shared letters: hm. Private to "hm": -. Private to "hmmm": -.
"hm" · 2 letters · shape CC · "hmmm" · 4 letters · shape CCCC
Known mistypes of this pair
- hmmm ← hhmmm · mhmm
Frequently Asked Questions
Do "hm" and "hmmm" mean the same thing in a sentence?
Which is more common, "hm" or "hmmm"?
After this comparison
Done with this confusable. These links stay specific to "hm" and "hmmm".
- Full dictionary entry for "hm" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "hmmm" - compare definitions side by side with the headword page. Word entry
- This pair ranks #418,828 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "hm" and "hmmm" also get mixed up with nearby pairs, the highest-scored neighbour is "hammy vs hmmm". 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 #418,828 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.