athletic supporter vs jock

athletic supporter and jock both are nouns.

Word	Noun	Adjective	Verb	Adverb
athletic supporter	Yes	No	No	No
jock	Yes	No	No	No

As nouns, athletic supporter and jock are synonyms defined as:

athletic supporter and jock: a support for the genitals worn by men engaging in strenuous exercise

Other synonyms of athletic supporter include jockstrap, supporter, suspensor.

athletic supporter (noun)	jock (noun)
a support for the genitals worn by men engaging in strenuous exercise	a support for the genitals worn by men engaging in strenuous exercise
	a person trained to compete in sports