açınıw

/atʃɯnɯw/

Cases

SingularPluralWhen to use it
nominativeaçınıwthe heartacheaçınıwlathe heartachesthe plain dictionary form — the doer of the sentence
genitiveaçınıwnuthe heartache'saçınıwlanıthe heartaches'the owner — whose it is
accusativeaçınıwnuthe heartache (as the object)açınıwlanıthe heartaches (as the object)a specific, known object — whom or what
dativeaçınıwğato the heartacheaçınıwlağato the heartachesdirection or recipient — to where, to whom
locativeaçınıwdaat / in the heartacheaçınıwladaat / in the heartacheswhere it is; also having — mende bar, "I have it"
ablativeaçınıwdanfrom the heartacheaçınıwladanfrom the heartacheswhere 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
myaçınıwummy heartacheaçınıwlarımmy heartaches
youraçınıwungyour heartacheaçınıwlarıngyour heartaches
his / heraçınıwuhis / her heartacheaçınıwlarıhis / her heartaches
ouraçınıwubuzour heartacheaçınıwlarıbızour heartaches
you all'saçınıwuğuzyou all's heartacheaçınıwlarığızyou all's heartaches
theiraçınıwlarıtheir heartacheaçınıwlarıtheir heartaches

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