acetyl group vs ethanoyl group

acetyl group and ethanoyl group both are nouns.

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

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

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

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

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