allyl group vs allyl radical

allyl group and allyl radical both are nouns.

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

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

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

Other synonyms of allyl group include allyl.

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