allyl vs allyl radical

allyl and allyl radical both are nouns.

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

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

allyl and allyl radical: the univalent unsaturated organic radical C3H5; derived from propylene

Other synonyms of allyl include allyl group.

allyl (noun)	allyl radical (noun)
the univalent unsaturated organic radical C3H5; derived from propylene	the univalent unsaturated organic radical C3H5; derived from propylene