Fin

/fin/ · plural Finle

1. (n.) Finn, a member of the main people of Finland (Russ.)

bir Fin kelgendi — a Finn has come
Finle bla tanışdıq — we got to know some Finns
Finleni tilleri — the language of the Finns

2. (adj.) Finnish, relating to the Finns or to their language, culture and history (Russ.) — Common in phrases such as fin til (the Finnish language).

Fin til — the Finnish language
Fin tişirıw — a Finnish woman
Fin literatura — Finnish literature
Fin halq — the Finnish people

Cases and owners

Singular

Singular — cases of Fin, plain and with an owner
Case	—plain	menimy	seniyour	anıhis / her	bizniour	sizniyou all's	alanıtheir
Nominative	Finthe Finn	Finimmy Finn	Finiŋyour Finn	Finihis Finn	Finibizour Finn	Finigizyou all's Finn	Finleritheir Finns
Genitive	Finnithe Finn's	Finimimy Finn's	Finiŋiyour Finn's	Fininihis Finn's	Finibizniour Finn's	Finigizniyou all's Finn's	Finlerinitheir Finns'
Accusative	Finnithe Finn (as the object)	Finimimy Finn (as the object)	Finiŋiyour Finn (as the object)	Fininhis Finn (as the object)	Finibizniour Finn (as the object)	Finigizniyou all's Finn (as the object)	Finlerintheir Finns (as the object)
Dative	Finŋeto the Finn	Finimeto my Finn	Finiŋeto your Finn	Finineto his Finn	Finibizgeto our Finn	Finigizgeto you all's Finn	Finlerineto their Finns
Locative	Findein / at the Finn	Finimdein / at my Finn	Finiŋdein / at your Finn	Finindein / at his Finn	Finibizdein / at our Finn	Finigizdein / at you all's Finn	Finlerindein / at their Finns
Ablative	Findenfrom the Finn	Finimdenfrom my Finn	Finiŋdenfrom your Finn	Finindenfrom his Finn	Finibizdenfrom our Finn	Finigizdenfrom you all's Finn	Finlerindenfrom their Finns

Plural

Plural — cases of Fin, plain and with an owner
Case	—plain	menimy	seniyour	anıhis / her	bizniour	sizniyou all's	alanıtheir
Nominative	Finlethe Finns	Finlerimmy Finns	Finleriŋyour Finns	Finlerihis Finns	Finleribizour Finns	Finlerigizyou all's Finns	Finleritheir Finns
Genitive	Finlenithe Finns'	Finlerimimy Finns'	Finleriŋiyour Finns'	Finlerinihis Finns'	Finleribizniour Finns'	Finlerigizniyou all's Finns'	Finlerinitheir Finns'
Accusative	Finlenithe Finns (as the object)	Finlerimimy Finns (as the object)	Finleriŋiyour Finns (as the object)	Finlerinhis Finns (as the object)	Finleribizniour Finns (as the object)	Finlerigizniyou all's Finns (as the object)	Finlerintheir Finns (as the object)
Dative	Finlegeto the Finns	Finlerimeto my Finns	Finleriŋeto your Finns	Finlerineto his Finns	Finleribizgeto our Finns	Finlerigizgeto you all's Finns	Finlerineto their Finns
Locative	Finledein / at the Finns	Finlerimdein / at my Finns	Finleriŋdein / at your Finns	Finlerindein / at his Finns	Finleribizdein / at our Finns	Finlerigizdein / at you all's Finns	Finlerindein / at their Finns
Ablative	Finledenfrom the Finns	Finlerimdenfrom my Finns	Finleriŋdenfrom your Finns	Finlerindenfrom his Finns	Finleribizdenfrom our Finns	Finlerigizdenfrom you all's Finns	Finlerindenfrom their Finns

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

Whose it is

Belonging to Fin — the Finn's one
Case	one thing, one owner	several things, one owner	one thing, several owners	several things, several owners
Nominative	Finnikithe Finn's one	Finnikilethe Finn's ones	Finlenikithe Finns' one	Finlenikilethe Finns' ones
Genitive	Finnikiniof the Finn's one	Finnikileniof the Finn's ones	Finlenikiniof the Finns' one	Finlenikileniof the Finns' ones
Accusative	Finnikinthe Finn's one (as the object)	Finnikilenithe Finn's ones (as the object)	Finlenikinthe Finns' one (as the object)	Finlenikilenithe Finns' ones (as the object)
Dative	Finnikineto the Finn's one	Finnikilegeto the Finn's ones	Finlenikineto the Finns' one	Finlenikilegeto the Finns' ones
Locative	Finnikindein / at the Finn's one	Finnikiledein / at the Finn's ones	Finlenikindein / at the Finns' one	Finlenikiledein / at the Finns' ones
Ablative	Finnikindenfrom the Finn's one	Finnikiledenfrom the Finn's ones	Finlenikindenfrom the Finns' one	Finlenikiledenfrom the Finns' ones

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