blizzard vs snowstorm

blizzard and snowstorm both are nouns.

Word	Noun	Adjective	Verb	Adverb
blizzard	Yes	No	No	No
snowstorm	Yes	No	No	No

As nouns, blizzard and snowstorm are synonyms defined as:

blizzard and snowstorm: a storm with widespread snowfall accompanied by strong winds

blizzard (noun)	snowstorm (noun)
a series of unexpected and unpleasant occurrences	a storm with widespread snowfall accompanied by strong winds
a storm with widespread snowfall accompanied by strong winds