heat vs hey, What's the Difference?

Which to use

“heat” is a noun and “hey” is a phrase - they look or sound alike but fill different roles in a sentence.

#22,753
“heat” frequency rank: #1,010
“hey” frequency rank: 23763
confusion score

Side-by-Side Comparison

Feature	heat	hey
Definition	Wärme	als Grußwort

Where the spellings diverge

Shared letters are muted; the letters that actually set heat and hey apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.

4 ch

heat

3 ch

hey

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: heat is [hiːt] while hey is [hɛɪ̯]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs phrase), which is usually the fastest check. Our composite confusion score for this pair is 23763, derived from the frequency rank of both members and their visual similarity.

heat is recorded at frequency rank #22,753, classified as anoun, pronounced [hiːt]. hey is at rank #1,010, tagged as aphrase, pronounced [hɛɪ̯].

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 23763, this pair ranks #1,856,911 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of heat vs hey

Shared letters: eh. Private to "heat": at. Private to "hey": y.

"heat" · 4 letters · shape CVVC · "hey" · 3 letters · shape CVV

Known mistypes of this pair

heat ← ehat · haet · heatt · heta · hheat

Frequency comparison

heat#22,753

hey#1,010

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

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

No - they are not even the same part of speech. "heat" is a noun and "hey" a phrase, so a sentence built for one is usually ungrammatical with the other.

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

"hey" is the more common of the two: it sits at frequency rank #1,010 in our German list, against #22,753 for "heat". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Remembering heat vs hey

The fastest way to pick the right one every time.

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