confabulate vs talk over

confabulate and talk over both are verbs.

Word	Noun	Adjective	Verb	Adverb
confabulate	No	No	Yes	No
talk over	No	No	Yes	No

As verbs, talk over is a hypernym of confabulate; that is, talk over is a word with a broader meaning than confabulate:

confabulate: have a conference in order to talk something over
talk over: speak with others about (something); talk (something) over in detail; have a discussion

Other hypernyms of confabulate include discuss, hash out.

confabulate (verb)	talk over (verb)
talk socially without exchanging too much information	speak with others about (something); talk (something) over in detail; have a discussion
have a conference in order to talk something over
unconsciously replace fact with fantasy in one's memory