tie in vs cogitate

tie in and cogitate both are verbs.

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

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

tie in: make a logical or causal connection
cogitate: 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 cerebrate, think.

tie in (verb)	cogitate (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	consider carefully and deeply; reflect upon; turn over in one's mind