Declension table of ?gurupattra

Neuter	Singular	Dual	Plural
Nominative	gurupattram	gurupattre	gurupattrāṇi
Vocative	gurupattra	gurupattre	gurupattrāṇi
Accusative	gurupattram	gurupattre	gurupattrāṇi
Instrumental	gurupattreṇa	gurupattrābhyām	gurupattraiḥ
Dative	gurupattrāya	gurupattrābhyām	gurupattrebhyaḥ
Ablative	gurupattrāt	gurupattrābhyām	gurupattrebhyaḥ
Genitive	gurupattrasya	gurupattrayoḥ	gurupattrāṇām
Locative	gurupattre	gurupattrayoḥ	gurupattreṣu

Compound gurupattra -

Adverb -gurupattram -gurupattrāt