tie in vs cerebrate

tie in and cerebrate both are verbs.

Word	Noun	Adjective	Verb	Adverb
tie in	No	No	Yes	No
cerebrate	No	No	Yes	No

As verbs, cerebrate is a hypernym of tie in; that is, cerebrate is a word with a broader meaning than tie in:

tie in: make a logical or causal connection
cerebrate: use or exercise the mind or one's power of reason in order to make inferences, decisions, or arrive at a solution or judgments

Other hypernyms of tie in include cogitate, think.

tie in (verb)	cerebrate (verb)
make a logical or causal connection	use or exercise the mind or one's power of reason in order to make inferences, decisions, or arrive at a solution or judgments
be in connection with something relevant