acetyl group vs ethanoyl radical

acetyl group and ethanoyl radical both are nouns.

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

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

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

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

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