birdie vs shuttlecock

birdie and shuttlecock both are nouns.

Word	Noun	Adjective	Verb	Adverb
birdie	Yes	No	Yes	No
shuttlecock	Yes	No	Yes	No

As nouns, birdie and shuttlecock are synonyms defined as:

birdie and shuttlecock: badminton equipment consisting of a ball of cork or rubber with a crown of feathers

Other synonyms of birdie include bird, shuttle.

birdie (noun)	shuttlecock (noun)
badminton equipment consisting of a ball of cork or rubber with a crown of feathers	badminton equipment consisting of a ball of cork or rubber with a crown of feathers
(golf) a score of one stroke under par on a hole

birdie (verb)	shuttlecock (verb)
shoot in one stroke under par	send or toss to and fro, like a shuttlecock