gıbı

/ɡɯbɯ/

Cases

SingularPluralWhen to use it
nominativegıbıthe spidergıbılathe spidersthe plain dictionary form — the doer of the sentence
genitivegıbınıthe spider'sgıbılanıthe spiders'the owner — whose it is
accusativegıbınıthe spider (as the object)gıbılanıthe spiders (as the object)a specific, known object — whom or what
dativegıbığato the spidergıbılağato the spidersdirection or recipient — to where, to whom
locativegıbıdaat / in the spidergıbıladaat / in the spiderswhere it is; also having — mende bar, "I have it"
ablativegıbıdanfrom the spidergıbıladanfrom the spiderswhere it comes from; also "than" when comparing
When to use each case
nominative
the plain dictionary form — the doer of the sentence
genitive
the owner — whose it is
accusative
a specific, known object — whom or what
dative
direction or recipient — to where, to whom
locative
where it is; also having — mende bar, "I have it"
ablative
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
mygıbımmy spidergıbılarımmy spiders
yourgıbıngyour spidergıbılarıngyour spiders
his / hergıbısıhis / her spidergıbılarıhis / her spiders
ourgıbıbızour spidergıbılarıbızour spiders
you all'sgıbığızyou all's spidergıbılarığızyou all's spiders
theirgıbılarıtheir spidergıbılarıtheir spiders

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