hasten vs assist

hasten is not a noun while assist is a noun.

Word	Noun	Adjective	Verb	Adverb
hasten	No	No	Yes	No
assist	Yes	No	Yes	No

As verbs, assist is a hypernym of hasten; that is, assist is a word with a broader meaning than hasten:

Other hypernyms of hasten include aid, help.

hasten (noun)	assist (noun)
	(sports) the act of enabling another player to make a good play
	the activity of contributing to the fulfillment of a need or furtherance of an effort or purpose

hasten (verb)	assist (verb)
act at high speed	act as an assistant in a subordinate or supportive function
cause to occur rapidly	work for, or be a servant to
move hurridly	give help or assistance; be of service
speed up the progress of; facilitate