depute vs task

depute is not a noun while task is a noun.

Word	Noun	Adjective	Verb	Adverb
depute	No	No	Yes	No
task	Yes	No	Yes	No

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

depute: give an assignment to (a person) to a post, or assign a task to (a person)
task: assign a task to

depute (noun)	task (noun)
	a specific piece of work required to be done as a duty or for a specific fee
	any piece of work that is undertaken or attempted

depute (verb)	task (verb)
transfer power to someone	use to the limit
appoint as a substitute	assign a task to
give an assignment to (a person) to a post, or assign a task to (a person)