radar dome vs radome

radar dome and radome both are nouns.

Word	Noun	Adjective	Verb	Adverb
radar dome	Yes	No	No	No
radome	Yes	No	No	No

As nouns, radar dome and radome are synonyms defined as:

radar dome and radome: a housing for a radar antenna; transparent to radio waves

radar dome (noun)	radome (noun)
a housing for a radar antenna; transparent to radio waves	a housing for a radar antenna; transparent to radio waves