snowflake vs snowbird

snowflake and snowbird both are nouns.

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

As nouns, snowflake and snowbird are synonyms defined as:

Other synonyms of snowflake include Plectrophenax nivalis, snow bunting.

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