Declension table of ?stumbhnāna

Neuter	Singular	Dual	Plural
Nominative	stumbhnānam	stumbhnāne	stumbhnānāni
Vocative	stumbhnāna	stumbhnāne	stumbhnānāni
Accusative	stumbhnānam	stumbhnāne	stumbhnānāni
Instrumental	stumbhnānena	stumbhnānābhyām	stumbhnānaiḥ
Dative	stumbhnānāya	stumbhnānābhyām	stumbhnānebhyaḥ
Ablative	stumbhnānāt	stumbhnānābhyām	stumbhnānebhyaḥ
Genitive	stumbhnānasya	stumbhnānayoḥ	stumbhnānānām
Locative	stumbhnāne	stumbhnānayoḥ	stumbhnāneṣu

Compound stumbhnāna -

Adverb -stumbhnānam -stumbhnānāt