hyvsHzWhat's the difference?

Quick tell: hy is a pronoun, Hz is a symbol, so they fill different roles in a sentence.

Which to use

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

#47,944
“hy” frequency rank
#35,085
“Hz” frequency rank
83029
confusion score

Side-by-Side Comparison

Feature hy Hz
Definition Pronom personnel sujet masculin de la troisième personne du singulier : il. Symbole du hertz, unité de mesure de la fréquence dans le Système international.

Where the spellings diverge

Shared letters are muted; the letters that actually set hy and Hz apart are highlighted. They share 1 letter in sequence, which is exactly why the eye skips the difference.

2 ch
hy
2 ch
Hz

Spelling & Dictionary Insight

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: hy is apronoun and Hzasymbol. On the page they differ by a single letter - y in “hy” becomes z in “Hz”. Our composite confusion score for this pair is 83029, derived from the frequency rank of both members and their visual similarity.

hy is recorded at frequency rank #47,944, classified as apron, pronounced \ɦəi\. Hz is at rank #35,085, tagged as asymbol.

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 83029, this pair ranks #15,593 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of hy vs Hz

Shared letters: h. Private to "hy": y. Private to "Hz": z.

"hy" · 2 letters · shape CV  ·  "Hz" · 2 letters · shape CC

Frequency comparison

hy#47,944
Hz#35,085

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "hy" and "Hz" be used interchangeably?
No - they are not even the same part of speech. "hy" is a pronoun and "Hz" a symbol, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "hy" or "Hz"?
"Hz" is the more common of the two: it sits at frequency rank #35,085 in our French list, against #47,944 for "hy". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering hy vs Hz

The fastest way to pick the right one every time.

  • Check the role first: if you need a pronoun, it's “hy”; for a symbol, it's “Hz”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “hy” entry
  • Browse more pairs most likely to be confused. Most confusable

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list