tear vs laceration

tear and laceration both are nouns.

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

As nouns, laceration is a hyponym of tear; that is, laceration is a word with a more specific, narrower meaning than tear:

Other hyponyms of tear include rent, rip, split.

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

tear (verb)	laceration (verb)
separate or cause to separate abruptly
to separate or be separated by force
strip of feathers
move quickly and violently
fill with tears or shed tears