Bortnik in Polish dictionary Bortnik Grammar and declension of Bortnik Declension of Bortnik singular plural nominative Bortnik Bortnikowie genitive Bortnika Bortników dative Bortnikowi Bortnikom accusative Bortnika Bortników instrumental Bortnikiem Bortnikami locative Bortniku Bortnikach vocative Bortniku Bortnikowie more Sample sentences with "Bortnik" Declension Stem Try again