tear vs shoot down

tear is a noun but shoot down is not a noun.

Word	Noun	Adjective	Verb	Adverb
tear	Yes	No	Yes	No
shoot down	No	No	Yes	No

As verbs, tear and shoot down are synonyms defined as:

Other synonyms of tear include buck, charge, shoot.

tear (noun)	shoot down (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)	shoot down (verb)
separate or cause to separate abruptly	shoot at and force to come down
to separate or be separated by force	move quickly and violently
strip of feathers	thwart the passage of
move quickly and violently
fill with tears or shed tears