Declension table of ?saptapattra

Masculine	Singular	Dual	Plural
Nominative	saptapattraḥ	saptapattrau	saptapattrāḥ
Vocative	saptapattra	saptapattrau	saptapattrāḥ
Accusative	saptapattram	saptapattrau	saptapattrān
Instrumental	saptapattreṇa	saptapattrābhyām	saptapattraiḥ saptapattrebhiḥ
Dative	saptapattrāya	saptapattrābhyām	saptapattrebhyaḥ
Ablative	saptapattrāt	saptapattrābhyām	saptapattrebhyaḥ
Genitive	saptapattrasya	saptapattrayoḥ	saptapattrāṇām
Locative	saptapattre	saptapattrayoḥ	saptapattreṣu

Compound saptapattra -

Adverb -saptapattram -saptapattrāt