Declension table of ?śyāmapattra

Masculine	Singular	Dual	Plural
Nominative	śyāmapattraḥ	śyāmapattrau	śyāmapattrāḥ
Vocative	śyāmapattra	śyāmapattrau	śyāmapattrāḥ
Accusative	śyāmapattram	śyāmapattrau	śyāmapattrān
Instrumental	śyāmapattreṇa	śyāmapattrābhyām	śyāmapattraiḥ śyāmapattrebhiḥ
Dative	śyāmapattrāya	śyāmapattrābhyām	śyāmapattrebhyaḥ
Ablative	śyāmapattrāt	śyāmapattrābhyām	śyāmapattrebhyaḥ
Genitive	śyāmapattrasya	śyāmapattrayoḥ	śyāmapattrāṇām
Locative	śyāmapattre	śyāmapattrayoḥ	śyāmapattreṣu

Compound śyāmapattra -

Adverb -śyāmapattram -śyāmapattrāt