acetyl group vs acetyl radical

acetyl group and acetyl radical both are nouns.

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

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

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

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

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