contemplate vs cogitate

contemplate and cogitate both are verbs.

Word	Noun	Adjective	Verb	Adverb
contemplate	No	No	Yes	No
cogitate	No	No	Yes	No

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

contemplate: think intently and at length, as for spiritual purposes
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 contemplate include cerebrate, think.

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

contemplate: reflect deeply on a subject
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 contemplate include cerebrate, think.

As verbs, cogitate is a hyponym of contemplate; that is, cogitate is a word with a more specific, narrower meaning than contemplate:

contemplate: reflect deeply on a subject
cogitate: consider carefully and deeply; reflect upon; turn over in one's mind

Other hyponyms of contemplate include premeditate, theologise, theologize, introspect, bethink, question, wonder, puzzle, consider, study.

contemplate (verb)	cogitate (verb)
think intently and at length, as for spiritual purposes	use or exercise the mind or one's power of reason in order to make inferences, decisions, or arrive at a solution or judgments
reflect deeply on a subject	consider carefully and deeply; reflect upon; turn over in one's mind
consider as a possibility
look at thoughtfully; observe deep in thought