Declension table of ?duḥkhapātra

Neuter	Singular	Dual	Plural
Nominative	duḥkhapātram	duḥkhapātre	duḥkhapātrāṇi
Vocative	duḥkhapātra	duḥkhapātre	duḥkhapātrāṇi
Accusative	duḥkhapātram	duḥkhapātre	duḥkhapātrāṇi
Instrumental	duḥkhapātreṇa	duḥkhapātrābhyām	duḥkhapātraiḥ
Dative	duḥkhapātrāya	duḥkhapātrābhyām	duḥkhapātrebhyaḥ
Ablative	duḥkhapātrāt	duḥkhapātrābhyām	duḥkhapātrebhyaḥ
Genitive	duḥkhapātrasya	duḥkhapātrayoḥ	duḥkhapātrāṇām
Locative	duḥkhapātre	duḥkhapātrayoḥ	duḥkhapātreṣu

Compound duḥkhapātra -

Adverb -duḥkhapātram -duḥkhapātrāt