acetyl vs acetyl radical

acetyl and acetyl radical both are nouns.

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

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

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

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