tilekçi

/tilektʃi/ · plural tilekçile

As a noun

Cases and owners

Singular — cases of tilekçi, plain and with an owner
Case—plainmenimyseniyouranıhis / herbiznioursizniyou all'salanıtheir
Nominativetilekçithe petitionertilekçimmy petitionertilekçiŋyour petitionertilekçisihis petitionertilekçibizour petitionertilekçigizyou all's petitionertilekçileritheir petitioners
Genitivetilekçinithe petitioner'stilekçimimy petitioner'stilekçiŋiyour petitioner'stilekçisinihis petitioner'stilekçibizniour petitioner'stilekçigizniyou all's petitioner'stilekçilerinitheir petitioners'
Accusativetilekçinithe petitioner (as the object)tilekçimimy petitioner (as the object)tilekçiŋiyour petitioner (as the object)tilekçisinhis petitioner (as the object)tilekçibizniour petitioner (as the object)tilekçigizniyou all's petitioner (as the object)tilekçilerintheir petitioners (as the object)
Dativetilekçigeto the petitionertilekçimeto my petitionertilekçiŋeto your petitionertilekçisineto his petitionertilekçibizgeto our petitionertilekçigizgeto you all's petitionertilekçilerineto their petitioners
Locativetilekçidein / at the petitionertilekçimdein / at my petitionertilekçiŋdein / at your petitionertilekçisindein / at his petitionertilekçibizdein / at our petitionertilekçigizdein / at you all's petitionertilekçilerindein / at their petitioners
Ablativetilekçidenfrom the petitionertilekçimdenfrom my petitionertilekçiŋdenfrom your petitionertilekçisindenfrom his petitionertilekçibizdenfrom our petitionertilekçigizdenfrom you all's petitionertilekçilerindenfrom their petitioners
Plural — cases of tilekçi, plain and with an owner
Case—plainmenimyseniyouranıhis / herbiznioursizniyou all'salanıtheir
Nominativetilekçilethe petitionerstilekçilerimmy petitionerstilekçileriŋyour petitionerstilekçilerihis petitionerstilekçileribizour petitionerstilekçilerigizyou all's petitionerstilekçileritheir petitioners
Genitivetilekçilenithe petitioners'tilekçilerimimy petitioners'tilekçileriŋiyour petitioners'tilekçilerinihis petitioners'tilekçileribizniour petitioners'tilekçilerigizniyou all's petitioners'tilekçilerinitheir petitioners'
Accusativetilekçilenithe petitioners (as the object)tilekçilerimimy petitioners (as the object)tilekçileriŋiyour petitioners (as the object)tilekçilerinhis petitioners (as the object)tilekçileribizniour petitioners (as the object)tilekçilerigizniyou all's petitioners (as the object)tilekçilerintheir petitioners (as the object)
Dativetilekçilegeto the petitionerstilekçilerimeto my petitionerstilekçileriŋeto your petitionerstilekçilerineto his petitionerstilekçileribizgeto our petitionerstilekçilerigizgeto you all's petitionerstilekçilerineto their petitioners
Locativetilekçiledein / at the petitionerstilekçilerimdein / at my petitionerstilekçileriŋdein / at your petitionerstilekçilerindein / at his petitionerstilekçileribizdein / at our petitionerstilekçilerigizdein / at you all's petitionerstilekçilerindein / at their petitioners
Ablativetilekçiledenfrom the petitionerstilekçilerimdenfrom my petitionerstilekçileriŋdenfrom your petitionerstilekçilerindenfrom his petitionerstilekçileribizdenfrom our petitionerstilekçilerigizdenfrom you all's petitionerstilekçilerindenfrom their petitioners

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

Belonging to tilekçi — the petitioner's one
Caseone thing, one ownerseveral things, one ownerone thing, several ownersseveral things, several owners
Nominativetilekçinikithe petitioner's onetilekçinikilethe petitioner's onestilekçilenikithe petitioners' onetilekçilenikilethe petitioners' ones
Genitivetilekçinikiniof the petitioner's onetilekçinikileniof the petitioner's onestilekçilenikiniof the petitioners' onetilekçilenikileniof the petitioners' ones
Accusativetilekçinikinthe petitioner's one (as the object)tilekçinikilenithe petitioner's ones (as the object)tilekçilenikinthe petitioners' one (as the object)tilekçilenikilenithe petitioners' ones (as the object)
Dativetilekçinikineto the petitioner's onetilekçinikilegeto the petitioner's onestilekçilenikineto the petitioners' onetilekçilenikilegeto the petitioners' ones
Locativetilekçinikindein / at the petitioner's onetilekçinikiledein / at the petitioner's onestilekçilenikindein / at the petitioners' onetilekçilenikiledein / at the petitioners' ones
Ablativetilekçinikindenfrom the petitioner's onetilekçinikiledenfrom the petitioner's onestilekçilenikindenfrom the petitioners' onetilekçilenikiledenfrom the petitioners' ones

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

As an adjective

Saying it about mine, yours, theirs

One thing — tilekçi
Degreemenikiminesenikiyoursanıqıhis / hersbiznikiourssiznikiyours (pl.)alanıqıtheirs
base formmeniki tilekçidimine is pleadingseniki tilekçidiyours is pleadinganıqı tilekçidihis is pleadingbizniki tilekçidiours is pleadingsizniki tilekçidiyours (pl.) is pleadingalanıqı tilekçiditheirs is pleading
Several things — tilekçi
Degreemenikileminesenikileyoursanıqılahis / hersbiznikileourssiznikileyours (pl.)alanıqılatheirs
base formmenikile tilekçidilemine are pleadingsenikile tilekçidileyours are pleadinganıqıla tilekçidilehis are pleadingbiznikile tilekçidileours are pleadingsiznikile tilekçidileyours (pl.) are pleadingalanıqıla tilekçidiletheirs are pleading

Any thing takes the third-person ending, not only these: bu tilekçidi, bıla tilekçidile. In texts biznikile is usually kesibiznikile, "our own people", and a surname with -nıqıla names a family: Dudalanıqıla, "the Dudas".