player vs goalie

player and goalie both are nouns.

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

As nouns, goalie is a hyponym of player; that is, goalie is a word with a more specific, narrower meaning than player:

player (noun)	goalie (noun)
a theatrical performer	the defensive position on an ice hockey or soccer or lacrosse team who stands in front of the goal and tries to prevent opposing players from scoring
a person who participates in or is skilled at some game	the soccer or hockey player assigned to protect the goal
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