allyl radical vs allyl group

allyl radical and allyl group both are nouns.

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

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

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

Other synonyms of allyl radical include allyl.

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