interrogatively vs interrogative

interrogatively is not a noun while interrogative is a noun.

Word	Noun	Adjective	Verb	Adverb
interrogatively	No	No	No	Yes
interrogative	Yes	Yes	No	No

interrogatively (noun)	interrogative (noun)
	a sentence of inquiry that asks for a reply
	some linguists consider interrogative sentences to constitute a mood

interrogatively (adjective)	interrogative (adjective)
	relating to the use of or having the nature of an interrogation
	relating to verbs in the so-called interrogative mood

interrogatively (adverb)	interrogative (adverb)
with curiosity
in a questioning format