H vs hm, What's the Difference?

Which to use

“H” is a symbol and “hm” is an intj - they look or sound alike but fill different roles in a sentence.

#410
“H” frequency rank: #16,903
“hm” frequency rank: 17313
confusion score

Side-by-Side Comparison

Feature	H	hm
Definition	Symbole chimique de l’hydrogène.	Variante de hem et hmm.

Letter map: H vs hm

Shared letters muted; letters that set H and hm apart highlighted. Shared run: 1.

1 ch

2 ch

Part-of-speech tell for H / hm

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: H is asymbol and hmanintj. On the page they differ by 1 extra letter(s) - “H” sits inside “hm”. Our composite confusion score for this pair is 17313, derived from the frequency rank of both members and their visual similarity.

H is recorded at frequency rank #410, classified as asymbol. hm is at rank #16,903, tagged as anintj, pronounced \m\.

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 17313, this pair ranks #383,785 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of H vs hm

Shared letters: h. Private to "H": -. Private to "hm": m.

"H" · 1 letters · shape C · "hm" · 2 letters · shape CC

Frequently Asked Questions

Is swapping "H" for "hm" ever safe?

No - they are not even the same part of speech. "H" is a symbol and "hm" an intj, so a sentence built for one is usually ungrammatical with the other.

Which is more common, "H" or "hm"?

"H" is the more common of the two: it sits at frequency rank #410 in our French list, against #16,903 for "hm". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Pair "H" vs "hm" is on the table, pick a follow-up below.

Full dictionary entry for "H" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "hm" - compare definitions side by side with the headword page. Word entry
This pair ranks #383,785 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
"H" and "hm" also get mixed up with nearby pairs, the highest-scored neighbour is "hae vs hm". Nearby pair

Confusion rank #383,785 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.