convect vs circulate

convect and circulate both are verbs.

Word	Noun	Adjective	Verb	Adverb
convect	No	No	Yes	No
circulate	No	No	Yes	No

As verbs, circulate is a hypernym of convect; that is, circulate is a word with a broader meaning than convect:

convect (verb)	circulate (verb)
circulate hot air by convection	cause to become widely known
	become widely known and passed on
	move around freely from person to person or from place to place
	move through a space, circuit or system, returning to the starting point
	cause to be distributed
	cause to move in a circuit or system