hum vs Hz, What's the Difference?

Which to use

“hum” is a pronoun and “Hz” is an abbrev - they look or sound alike but fill different roles in a sentence.

#47,488
“hum” frequency rank: #12,310
“Hz” frequency rank: 59798
confusion score

Side-by-Side Comparison

Feature	hum	Hz
Definition	männliches Personalpronomen der dritten Person Singular im Objektiv(≘ Dativ und Akkusativ): ihm, ihn	Hertz

Letter map: hum vs Hz

Shared letters muted; letters that set hum and Hz apart highlighted. Shared run: 1.

3 ch

hum

2 ch

Grammar separator: hum vs Hz

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: hum is apronoun and Hzanabbrev. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 59798, derived from the frequency rank of both members and their visual similarity.

hum is recorded at frequency rank #47,488, classified as apron, pronounced […]. Hz is at rank #12,310, tagged as anabbrev.

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 59798, this pair ranks #810,956 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of hum vs Hz

Shared letters: h. Private to "hum": mu. Private to "Hz": z.

"hum" · 3 letters · shape CVC · "Hz" · 2 letters · shape CC

Frequently Asked Questions

Do "hum" and "Hz" mean the same thing in a sentence?

No - they are not even the same part of speech. "hum" is a pronoun and "Hz" an abbrev, so a sentence built for one is usually ungrammatical with the other.

Which is more common, "hum" or "Hz"?

"Hz" is the more common of the two: it sits at frequency rank #12,310 in our German list, against #47,488 for "hum". 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 "hum" and "Hz". Here's where to go from here.

Full dictionary entry for "hum" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "Hz" - compare definitions side by side with the headword page. Word entry
This pair ranks #810,956 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
"hum" and "Hz" also get mixed up with nearby pairs, the highest-scored neighbour is "hum vs puzzles". Nearby pair

Confusion rank #810,956 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.