discus vs field event

discus and field event both are nouns.

Word	Noun	Adjective	Verb	Adverb
discus	Yes	No	No	No
field event	Yes	No	No	No

As nouns, field event is a hypernym of discus; that is, field event is a word with a broader meaning than discus:

discus: an athletic competition in which a disk-shaped object is thrown as far as possible
field event: a competition that takes place on a field rather than on a running track

discus (noun)	field event (noun)
a disk used in throwing competitions	a competition that takes place on a field rather than on a running track
an athletic competition in which a disk-shaped object is thrown as far as possible