acetyl radical vs acetyl group

acetyl radical and acetyl group both are nouns.

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

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

acetyl radical and acetyl group: the organic group of acetic acid (CH3CO-)

Other synonyms of acetyl radical include acetyl, ethanoyl group, ethanoyl radical.

acetyl radical (noun)	acetyl group (noun)
the organic group of acetic acid (CH3CO-)	the organic group of acetic acid (CH3CO-)