frost

/fɹɒst/

//fɹɒst// noun

"frost" is a 5-letter English headword indexed on PlainSpell.

The verdict

“frost” has 8 generated spelling variants in the English index at frequency #7,693. The variants make it a useful spelling check.

#7,693
frequency rank, English
2,507
“F” headwords
8
tracked misspellings
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - 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.

Corpus desk

Index EN-frost · frost · English

frost · rank #7,693 · 8 variants · 20 confusables

  • FREQ-COMMON #7,693
  • LEN-MID 5 letters
  • VOW-1 1 vowel
  • CONFUS-HIGH 20 pairs
  • VAR-MID 8 variants
  • BOOK-MID 2,507
  • PHOTO-FINISH goin

Nearest frequency peer: goin (+1 rank slots)

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Rank peers near misspelling magnet “frost”

Same rarity band: useful when a typo lands on a peer headword

corpus weight

What this shows “frost” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.

Source FrequencyWords open word-frequency list As of September 3, 2026

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

frost vs fruit
60% similar
frost vs froze
60% similar
frost vs frown
60% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for frost
PropertyValue
Headwordfrost
LanguageEnglish
Part of speechNoun
IPA/fɹɒst/
Letters5
Frequency rank#7,693
Misspellings tracked8
Confusable pairs20
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “frost”

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right).frostlands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Ticks step logarithmically, so each one marks a roughly tenfold drop in how often the word turns up. Same rarity band neighbours include “goin” (#7,694), “Frederick” (#7,691), “herald” (#7,695). Among 2,507 “F” headwords, “frost” is #7,693. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 8 spelling variants around frost (IPA /fɹɒst/), anoun. Corpus frequency is #7,693 among 2,507 “F” headwords. Wiktionary lists 7 senses, so context still picks the gloss.

Our generated misspelling index lists 8 likely wrong-spelling variants for frost, with forms such as "ffrost", "forst", and "frosst". Every one of these variants traces to a single-character edit -- an added or dropped letter, a swapped consonant, or a vowel swap -- the kind of slip a spell-checker is built to catch. It also participates in 20 confusable-pair relationships, "fruit", "froze", "frown", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.

Etymologically, the entry records: From Middle English frost, from an unmetathesized variant of Old English forst (“frost”), from Proto-Germanic *frustaz (“frost”), from Proto-Indo-European *prews- (“to freeze; frost”). Cognate with Saterland Frisian Froast, Fröäst (“frost”), West Frisian fr… The correct English form is frost, spelled F-R-O-S-T.

Definition

  1. 1
    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.
  2. 2
    The cold weather that causes these ice crystals to form.
  3. 3
    Coldness or insensibility; severity or rigidity of character.
  4. 4
    The act of freezing; the congelation of water or other liquid.
  5. 5
    A shade of white, like that of frost.
  6. 6
    A disappointment; a cheat.
  7. 7
    A kind of light diffuser.

Recorded use

Wiktionary examples

These source excerpts show how frost appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Thus I was; in the day the drought consumed me, and the frost by night; and my sleep departed from mine eyes.
  2. It is more probable, in almost every country of Europe, that there will be frost sometime in January, than that the weather will continue open throughout that whole month;

Etymology

From Middle English frost, from an unmetathesized variant of Old English forst (“frost”), from Proto-Germanic *frustaz (“frost”), from Proto-Indo-European *prews- (“to freeze; frost”). Cognate with Saterland Frisian Froast, Fröäst (“frost”), West Frisian froast (“frost”), Cimbrian bròst, vrost, vròst (“frost”), Dutch vorst (“frost”), German Frost (“frost”), Luxembourgish Frascht (“frost”), Vilamovian fröst (“frost”), Danish, Faroese, Icelandic, Norwegian Bokmål, Norwegian Nynorsk, Swedish frost (“frost”), Latin pruīna (“hoarfrost, frost, rime, snow”). Related to freeze.

This word in other languages

Common misspellings

Also misspelled as:

  • ffrost
  • forst
  • frosst
  • frostt
  • frots
  • frrost
  • frsot
  • rfost

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of frost - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.

ffrost1forst2frosst1frostt1frots2frrost1frsot2rfost2
Edit distance from "frost"

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "frost"?
"frost" is spelled F-R-O-S-T. The IPA pronunciation is /fɹɒst/.
What does "frost" mean?
As a noun, "frost" means: 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.
What words are commonly confused with "frost"?
"frost" is commonly confused with "fruit", "froze", "frown". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "frost"?
The IPA (International Phonetic Alphabet) transcription for "frost" is /fɹɒst/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "frost"?
From Middle English frost, from an unmetathesized variant of Old English forst (“frost”), from Proto-Germanic *frustaz (“frost”), from Proto-Indo-European *prews- (“to freeze; frost”). Cognate with Saterland Frisian Froast, Fröäst (“frost”), West ... See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "frost", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 5 letters (nearest by frequency rank).

Similar misspelling depth

Headwords with a similar count of attested misspellings (8 here; floor ≥5).

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

Source: FrequencyWords open word-frequency list