günah

/ ɡynax /

Cases

SingularPluralWhen to use it
nominative günah the sin günahla the sins the plain dictionary form — the doer of the sentence
genitive günahnı the sin's günahlanı the sins' the owner — whose it is
accusative günahnı the sin (as the object) günahlanı the sins (as the object) a specific, known object — whom or what
dative günahha to the sin günahlağa to the sins direction or recipient — to where, to whom
locative günahda at / in the sin günahlada at / in the sins where it is; also having — mende bar, "I have it"
ablative günahdan from the sin günahladan from the sins where it comes from; also "than" when comparing

The endings are the same ones the pronouns wear — that page explains when each case is used.

With an owner

One ownedSeveral owned
my günahım my sin günahlarım my sins
your günahıŋ your sin günahlarıŋ your sins
his / her günahı his / her sin günahları his / her sins
our günahıbız our sin günahlarıbız our sins
you all's günahığız you all's sin günahlarığız you all's sins
their günahları their sin günahları their sins

The overlap in the last rows is real, not a mistake: günahları can mean "his / her sins", "their sin", or "their sins" — context decides.