Croatian (Vrbanj). At least one peripheral case for nouns: Present (genitive, dative, instrumental, locative, or ablative), 1

žena, žene, ženi, ženu, ženo, ženon; žene, žen, ženima
žen-a
woman-NOM.SG
žen-e
woman-GEN.SG
žen-i
woman-DAT/LOC.SG
žen-u
woman-ACC.SG
žen-o
woman-VOC.SG
žen-on
woman-INS.SG
žen-e
woman-NOM/ACC/VOC.PL
žen
woman-GEN.PL
žen-ima(n)
woman-DAT/LOC/INS.PL
woman, women
Type: Naturalistic spoken
Source: Hraste 1935: 27