ethanoyl group vs acetyl group

ethanoyl group and acetyl group both are nouns.

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

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

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

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

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