açılıwçu

/atʃɯlɯwtʃu/

Cases

SingularPluralWhen to use it
nominativeaçılıwçuthe one that opensaçılıwçulathose that openthe plain dictionary form — the doer of the sentence
genitiveaçılıwçunuof the one that opensaçılıwçulanıof those that openthe owner — whose it is
accusativeaçılıwçunuthe one that opens (as the object)açılıwçulanıthose that open (as the object)a specific, known object — whom or what
dativeaçılıwçuğato the one that opensaçılıwçulağato those that opendirection or recipient — to where, to whom
locativeaçılıwçudaat / in the one that opensaçılıwçuladaat / in those that openwhere it is; also having — mende bar, "I have it"
ablativeaçılıwçudanfrom the one that opensaçılıwçuladanfrom those that openwhere 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
myaçılıwçumthe one that opens, of mineaçılıwçularımthose that open, of mine
youraçılıwçungthe one that opens, of yoursaçılıwçularıngthose that open, of yours
his / heraçılıwçusuthe one that opens, of his / hersaçılıwçularıthose that open, of his / hers
ouraçılıwçubuzthe one that opens, of oursaçılıwçularıbızthose that open, of ours
you all'saçılıwçuğuzthe one that opens, of you all'saçılıwçularığızthose that open, of you all's
theiraçılıwçularıthe one that opens, of theirsaçılıwçularıthose that open, of theirs

The overlap in the last rows is real, not a mistake: açılıwçuları can mean "those that open, of his / hers", "the one that opens, of theirs", or "those that open, of theirs" — context decides.