acetyl vs ethanoyl radical

acetyl and ethanoyl radical both are nouns.

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

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

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

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