Declension table of ?stauna

Masculine	Singular	Dual	Plural
Nominative	staunaḥ	staunau	staunāḥ
Vocative	stauna	staunau	staunāḥ
Accusative	staunam	staunau	staunān
Instrumental	staunena	staunābhyām	staunaiḥ staunebhiḥ
Dative	staunāya	staunābhyām	staunebhyaḥ
Ablative	staunāt	staunābhyām	staunebhyaḥ
Genitive	staunasya	staunayoḥ	staunānām
Locative	staune	staunayoḥ	stauneṣu

Compound stauna -

Adverb -staunam -staunāt