açhıç

/ atʃxɯtʃ /

Cases

SingularPluralWhen to use it
nominative açhıç the key açhıçla the keys the plain dictionary form — the doer of the sentence
genitive açhıçnı the key's açhıçlanı the keys' the owner — whose it is
accusative açhıçnı the key (as the object) açhıçlanı the keys (as the object) a specific, known object — whom or what
dative açhıçha to the key açhıçlağa to the keys direction or recipient — to where, to whom
locative açhıçda at / in the key açhıçlada at / in the keys where it is; also having — mende bar, "I have it"
ablative açhıçdan from the key açhıçladan from the keys 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 açhıçım my key açhıçlarım my keys
your açhıçıng your key açhıçlarıng your keys
his / her açhıçı his / her key açhıçları his / her keys
our açhıçıbız our key açhıçlarıbız our keys
you all's açhıçığız you all's key açhıçlarığız you all's keys
their açhıçları their key açhıçları their keys

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