wig vs objurgation

wig and objurgation both are nouns.

Word	Noun	Adjective	Verb	Adverb
wig	Yes	No	No	No
objurgation	Yes	No	No	No

As nouns, objurgation is a hypernym of wig; that is, objurgation is a word with a broader meaning than wig:

Other hypernyms of wig include chiding, scolding, tongue-lashing.

wig (noun)	objurgation (noun)
hairpiece covering the head and made of real or synthetic hair	rebuking a person harshly
British slang for a scolding