H vs hey, What's the Difference?

Which to use

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

#410
“H” frequency rank: #3,461
“hey” frequency rank: 3871
confusion score

Side-by-Side Comparison

Feature	H	hey
Definition	Symbole chimique de l’hydrogène.	Hé.

Letter map: H vs hey

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

1 ch

3 ch

hey

Part-of-speech tell for H / hey

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: H is asymbol and heyanintj. On the page they differ by 2 extra letter(s) - “H” sits inside “hey”. Our composite confusion score for this pair is 3871, derived from the frequency rank of both members and their visual similarity.

H is recorded at frequency rank #410, classified as asymbol. hey is at rank #3,461, tagged as anintj, pronounced \heɪ\.

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 3871, this pair ranks #433,008 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of H vs hey

Shared letters: h. Private to "H": -. Private to "hey": ey.

"H" · 1 letters · shape C · "hey" · 3 letters · shape CVV

Frequently Asked Questions

Can "H" and "hey" be used interchangeably?

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

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

"H" is the more common of the two: it sits at frequency rank #410 in our French list, against #3,461 for "hey". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Done with this confusable. These links stay specific to "H" and "hey".

Full dictionary entry for "H" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "hey" - compare definitions side by side with the headword page. Word entry
This pair ranks #433,008 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
"H" and "hey" also get mixed up with nearby pairs, the highest-scored neighbour is "hae vs hey". Nearby pair

Confusion rank #433,008 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.