shoot down vs tear

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

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

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

Other synonyms of shoot down include buck, charge, shoot.

shoot down (noun)	tear (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

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