lacrosse player vs player

lacrosse player and player both are nouns.

Word	Noun	Adjective	Verb	Adverb
lacrosse player	Yes	No	No	No
player	Yes	No	No	No

As nouns, player is a hypernym of lacrosse player; that is, player is a word with a broader meaning than lacrosse player:

Other hypernyms of lacrosse player include athlete, jock, participant.

lacrosse player (noun)	player (noun)
an athlete who plays lacrosse	a theatrical performer
	a person who participates in or is skilled at some game
	someone who plays a music as a profession
	a person who pursues a number of different social and sexual partners simultaneously
	someone who takes part in an activity