rime vs hoarfrost

rime and hoarfrost both are nouns.

Word	Noun	Adjective	Verb	Adverb
rime	Yes	No	Yes	No
hoarfrost	Yes	No	No	No

As nouns, rime and hoarfrost are synonyms defined as:

rime and hoarfrost: ice crystals forming a white deposit (especially on objects outside)

Other synonyms of rime include frost, hoar.

rime (noun)	hoarfrost (noun)
correspondence in the sounds of two or more lines (especially final sounds)	ice crystals forming a white deposit (especially on objects outside)
ice crystals forming a white deposit (especially on objects outside)

rime (verb)	hoarfrost (verb)
compose rhymes
be similar in sound, especially with respect to the last syllable