Declension table of ?tubhnāna

Neuter	Singular	Dual	Plural
Nominative	tubhnānam	tubhnāne	tubhnānāni
Vocative	tubhnāna	tubhnāne	tubhnānāni
Accusative	tubhnānam	tubhnāne	tubhnānāni
Instrumental	tubhnānena	tubhnānābhyām	tubhnānaiḥ
Dative	tubhnānāya	tubhnānābhyām	tubhnānebhyaḥ
Ablative	tubhnānāt	tubhnānābhyām	tubhnānebhyaḥ
Genitive	tubhnānasya	tubhnānayoḥ	tubhnānānām
Locative	tubhnāne	tubhnānayoḥ	tubhnāneṣu

Compound tubhnāna -

Adverb -tubhnānam -tubhnānāt