ethanoyl radical vs acetyl

ethanoyl radical and acetyl both are nouns.

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

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

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

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