uranyl vs uranyl radical

uranyl and uranyl radical both are nouns.

Word	Noun	Adjective	Verb	Adverb
uranyl	Yes	No	No	No
uranyl radical	Yes	No	No	No

As nouns, uranyl and uranyl radical are synonyms defined as:

uranyl and uranyl radical: the bivalent radical UO2 which forms salts with acids

Other synonyms of uranyl include uranyl group.

uranyl (noun)	uranyl radical (noun)
the bivalent radical UO2 which forms salts with acids	the bivalent radical UO2 which forms salts with acids