goalkeeper vs goaltender

goalkeeper and goaltender both are nouns.

Word	Noun	Adjective	Verb	Adverb
goalkeeper	Yes	No	No	No
goaltender	Yes	No	No	No

As nouns, goalkeeper and goaltender are synonyms defined as:

goalkeeper and goaltender: 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

Other synonyms of goalkeeper include goalie, netkeeper.

As nouns, goalkeeper and goaltender are synonyms defined as:

goalkeeper and goaltender: the soccer or hockey player assigned to protect the goal

Other synonyms of goalkeeper include goalie, netkeeper, netminder.

goalkeeper (noun)	goaltender (noun)
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	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
the soccer or hockey player assigned to protect the goal	the soccer or hockey player assigned to protect the goal