hi vs hm, What's the Difference?

Which to use

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

#1,079
“hi” frequency rank: #9,346
“hm” frequency rank: 10425
confusion score

Side-by-Side Comparison

Feature	hi	hm
Definition	A friendly, informal, casual greeting said upon someone's arrival.	Initialism of how much.

Letter map: hi vs hm

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

2 ch

Spelling & Dictionary Insight

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: hi is anintj and hmadeterminer. On the page they differ by a single letter - i in “hi” becomes m in “hm”. Our composite confusion score for this pair is 10425, derived from the frequency rank of both members and their visual similarity.

hi is recorded at frequency rank #1,079, classified as anintj, pronounced /haɪ/. hm is at rank #9,346, tagged as adet.

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 10425, this pair ranks #492,398 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of hi vs hm

Shared letters: h. Private to "hi": i. Private to "hm": m.

"hi" · 2 letters · shape CV · "hm" · 2 letters · shape CC

Frequently Asked Questions

Can "hi" and "hm" be used interchangeably?

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

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

"hi" is the more common of the two: it sits at frequency rank #1,079 in our English list, against #9,346 for "hm". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

You've compared "hi" and "hm". Here's where to go from here.

Full dictionary entry for "hi" 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 #492,398 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
"hi" and "hm" also get mixed up with nearby pairs, the highest-scored neighbour is "hm vs HRW". Nearby pair

PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.