frostvsfrostyWhat's the difference?

Quick tell: frost is a noun, frosty is an adjective, so they fill different roles in a sentence.

Which to use

“frost” is a noun and “frosty” is an adjective - they look or sound alike but fill different roles in a sentence.

#7,693
“frost” frequency rank
#22,384
“frosty” frequency rank
30077
confusion score

Side-by-Side Comparison

Feature frost frosty
Definition A cover of minute ice crystals on objects that are exposed to the air. Frost is formed by the same process as dew, except that the temperature of the frosted object is below freezing. Cold, chilly; icy.

Where the spellings diverge

Shared letters are muted; the letters that actually set frost and frosty apart are highlighted. They share 5 letters in sequence, which is exactly why the eye skips the difference.

5 ch
frost
6 ch
frosty

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: frost is /fɹɒst/ while frosty is /ˈfɹɒsti/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 extra letter(s) - “frost” sits inside “frosty”, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 30077, derived from the frequency rank of both members and their visual similarity.

frost is recorded at frequency rank #7,693, classified as anoun, pronounced /fɹɒst/. frosty is at rank #22,384, tagged as anadj, pronounced /ˈfɹɒsti/.

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 30077, this pair ranks #357,549 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of frost vs frosty

Shared letters: forst. Private to "frost": -. Private to "frosty": y.

"frost" · 5 letters · shape CCVCC  ·  "frosty" · 6 letters · shape CCVCCV

Known mistypes of this pair

  • frostffrost · forst · frosst · frostt · frots · frrost · frsot · rfost
  • frostyffrosty · forsty · frossty · frostty · frostyy · frosyt · frotsy · frrosty

Frequency comparison

frost#7,693
frosty#22,384

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "frost" and "frosty" be used interchangeably?
No - they are not even the same part of speech. "frost" is a noun and "frosty" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "frost" or "frosty"?
"frost" is the more common of the two: it sits at frequency rank #7,693 in our English list, against #22,384 for "frosty". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering frost vs frosty

The fastest way to pick the right one every time.

  • Check the role first: if you need a noun, it's “frost”; for an adjective, it's “frosty”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “frost” 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