permafrost

/ˈpɝməˌfɹɔst/

//ˈpɝməˌfɹɔst// noun

By · According to Wiktionary data (CC BY-SA) ·

"permafrost" is a 10-letter English headword indexed on PlainSpell.

The verdict

“permafrost” has 16 generated spelling variants in the English index at frequency #37,623. The variants make it a useful spelling check.

#37,623
frequency rank, English
46,516
“P” headwords
16
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Permanently frozen ground, or a specific layer thereof.

Key facts for permafrost
PropertyValue
Headwordpermafrost
LanguageEnglish
Part of speechNoun
IPA/ˈpɝməˌfɹɔst/
Letters10
Frequency rank#37,623
Misspellings tracked16
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “permafrost” sits in English frequency

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

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

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 16 spelling variants around permafrost (IPA /ˈpɝməˌfɹɔst/), anoun. Corpus frequency is #37,623 among 46,516 “P” headwords. Dominant gloss: "Permanently frozen ground, or a specific layer thereof.".

Our generated misspelling index lists 16 likely wrong-spelling variants for permafrost, with forms such as "eprmafrost", "pemrafrost", and "peramfrost". 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. Our confusable-pair dataset has no match for it, since its spelling is unusual enough that it doesn't cluster with a lookalike.

Etymologically, the entry records: From perma- + frost. The correct English form is permafrost, spelled P-E-R-M-A-F-R-O-S-T.

Definition

  1. 1
    Permanently frozen ground, or a specific layer thereof.

Etymology

From perma- + frost.

This word in other languages

permafrost(Español)pergélisol(Français)Permafrostboden(Deutsch)

Common misspellings

Also misspelled as:

  • eprmafrost
  • pemrafrost
  • peramfrost
  • permaffrost
  • permaforst
  • permafrosst
  • permafrostt
  • permafrots
  • permafrrost
  • permafrsot
  • permarfost
  • permfarost
  • permmafrost
  • perrmafrost
  • ppermafrost
  • premafrost

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of permafrost - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.

eprmafrost2pemrafrost2peramfrost2permaffrost1permaforst2permafrosst1permafrostt1permafrots2
Edit distance from "permafrost"

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 "permafrost"?
"permafrost" is spelled P-E-R-M-A-F-R-O-S-T. The IPA pronunciation is /ˈpɝməˌfɹɔst/.
What does "permafrost" mean?
As a noun, "permafrost" means: Permanently frozen ground, or a specific layer thereof.
What are common misspellings of "permafrost"?
Common misspellings include "eprmafrost", "pemrafrost", "peramfrost", "permaffrost", "permaforst". The correct spelling is "permafrost".
How do you pronounce "permafrost"?
The IPA (International Phonetic Alphabet) transcription for "permafrost" is /ˈpɝməˌfɹɔst/. 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 "permafrost"?
From perma- + frost. 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.

Using “permafrost”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is P-E-R-M-A-F-R-O-S-T - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈpɝməˌfɹɔst/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more English words and confusable pairs in the same reference. English words

Same frequency band

Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

Source: FrequencyWords open word-frequency list