tear vs hasten

tear is a noun but hasten is not a noun.

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

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

tear (noun)	hasten (noun)
a drop of the clear salty saline solution secreted by the lacrimal glands
the act of tearing
an occasion for excessive eating or drinking
an opening made forcibly as by pulling apart

tear (verb)	hasten (verb)
separate or cause to separate abruptly	act at high speed
to separate or be separated by force	cause to occur rapidly
strip of feathers	move hurridly
move quickly and violently	speed up the progress of; facilitate
fill with tears or shed tears