tear vs rent

tear and rent both are nouns.

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

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

Other hyponyms of tear include laceration, rip, split.

As nouns, tear and rent are synonyms defined as:

Other synonyms of tear include rip, snag, split.

tear (noun)	rent (noun)
a drop of the clear salty saline solution secreted by the lacrimal glands	the act of rending or ripping or splitting something
the act of tearing	an opening made forcibly as by pulling apart
an occasion for excessive eating or drinking	a payment or series of payments made by the lessee to an owner for use of some property, facility, equipment, or service
an opening made forcibly as by pulling apart	the return derived from cultivated land in excess of that derived from the poorest land cultivated under similar conditions

tear (verb)	rent (verb)
separate or cause to separate abruptly	engage for service under a term of contract
to separate or be separated by force	grant use or occupation of under a term of contract
strip of feathers	hold under a lease or rental agreement; of goods and services
move quickly and violently	let for money
fill with tears or shed tears