permafrost is a valid word in this word list. For a definition, see the external dictionary links below.
The word "permafrost" uses 10 letters: A E F M O P R R S T.
Direct anagrams of permafrost:
Words formed by adding one letter before or after permafrost (in bold), or to aefmoprrst in any order:
s - permafrosts
Try a search for permafrost in these online resources (some words may not be found):
Wiktionary - OneLook Dictionaries - Merriam-Webster - Google Search
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All words formed from permafrost by changing one letter
Browse words starting with permafrost by next letter