allyl group vs allyl

allyl group and allyl both are nouns.

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

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

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

Other synonyms of allyl group include allyl radical.

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