ethanoyl group vs acetyl

ethanoyl group and acetyl both are nouns.

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

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

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

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