aprel

/aprel/

(n.) April, the fourth month of the year (Russ.) — Before another noun it means of April, as in Leninni aprel tezisleri "Lenin's April Theses".

aprel ay — the month of April
aprel jaz başı aydı — April is the month of early spring
aprelde kün jılına başlaydı — in April the weather begins to get warm
aprelni birinçi künü — the first day of April
aprelni ahırında — at the end of April
aprelge deri — until April

Cases and owners

Singular — cases of aprel, plain and with an owner
Case	—plain	menimy	seniyour	anıhis / her	bizniour	sizniyou all's	alanıtheir
Nominative	aprelthe April	aprelimmy April	apreliŋyour April	aprelihis April	aprelibizour April	apreligizyou all's April	aprelleritheir Aprils
Genitive	aprelnithe April's	aprelimimy April's	apreliŋiyour April's	aprelinihis April's	aprelibizniour April's	apreligizniyou all's April's	aprellerinitheir Aprils'
Accusative	aprelnithe April (as the object)	aprelimimy April (as the object)	apreliŋiyour April (as the object)	aprelinhis April (as the object)	aprelibizniour April (as the object)	apreligizniyou all's April (as the object)	aprellerintheir Aprils (as the object)
Dative	aprelgeto the April	aprelimeto my April	apreliŋeto your April	aprelineto his April	aprelibizgeto our April	apreligizgeto you all's April	aprellerineto their Aprils
Locative	apreldein / at the April	aprelimdein / at my April	apreliŋdein / at your April	aprelindein / at his April	aprelibizdein / at our April	apreligizdein / at you all's April	aprellerindein / at their Aprils
Ablative	apreldenfrom the April	aprelimdenfrom my April	apreliŋdenfrom your April	aprelindenfrom his April	aprelibizdenfrom our April	apreligizdenfrom you all's April	aprellerindenfrom their Aprils

There is no plural of this word. The ending would attach like any other — it is the word, not the grammar, that refuses: this is not something Karachay counts.

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