saucer vs discus

saucer and discus both are nouns.

Word	Noun	Adjective	Verb	Adverb
saucer	Yes	No	No	No
discus	Yes	No	No	No

As nouns, saucer and discus are synonyms defined as:

saucer (noun)	discus (noun)
a small shallow dish for holding a cup at the table	a disk used in throwing competitions
a disk used in throwing competitions	an athletic competition in which a disk-shaped object is thrown as far as possible
directional antenna consisting of a parabolic reflector for microwave or radio frequency radiation
something with a round shape resembling a flat circular plate