bowler vs plug hat

bowler and plug hat both are nouns.

Word	Noun	Adjective	Verb	Adverb
bowler	Yes	No	No	No
plug hat	Yes	No	No	No

As nouns, bowler and plug hat are synonyms defined as:

bowler and plug hat: a felt hat that is round and hard with a narrow brim

Other synonyms of bowler include bowler hat, derby, derby hat.

bowler (noun)	plug hat (noun)
a felt hat that is round and hard with a narrow brim	a felt hat that is round and hard with a narrow brim
a player who rolls balls down an alley at pins
a cricketer who delivers the ball to the batsman in cricket