snowbird vs snowflake

snowbird and snowflake both are nouns.

Word	Noun	Adjective	Verb	Adverb
snowbird	Yes	No	No	No
snowflake	Yes	No	No	No

As nouns, snowbird and snowflake are synonyms defined as:

Other synonyms of snowbird include Plectrophenax nivalis, snow bunting.

snowbird (noun)	snowflake (noun)
white Arctic bunting	white Arctic bunting
small North American finch seen chiefly in winter	a crystal of snow
medium-sized Eurasian thrush seen chiefly in winter