aldehyde radical vs group

aldehyde radical and group both are nouns.

Word	Noun	Adjective	Verb	Adverb
aldehyde radical	Yes	No	No	No
group	Yes	No	Yes	No

As nouns, group is a hypernym of aldehyde radical; that is, group is a word with a broader meaning than aldehyde radical:

aldehyde radical: the chemical group -CHO
group: (chemistry) two or more atoms bound together as a single unit and forming part of a molecule

Other hypernyms of aldehyde radical include chemical group, radical.

aldehyde radical (noun)	group (noun)
the chemical group -CHO	any number of entities (members) considered as a unit
	a set that is closed, associative, has an identity element and every element has an inverse
	(chemistry) two or more atoms bound together as a single unit and forming part of a molecule

aldehyde radical (verb)	group (verb)
	arrange into a group or groups
	form a group or group together