renting vs transaction

renting and transaction both are nouns.

Word	Noun	Adjective	Verb	Adverb
renting	Yes	No	No	No
transaction	Yes	No	No	No

As nouns, transaction is a hypernym of renting; that is, transaction is a word with a broader meaning than renting:

renting: the act of paying for the use of something (as an apartment or house or car)
transaction: the act of transacting within or between groups (as carrying on commercial activities)

Other hypernyms of renting include dealing, dealings.

renting (noun)	transaction (noun)
the act of paying for the use of something (as an apartment or house or car)	the act of transacting within or between groups (as carrying on commercial activities)