Declension table of ?oṣṭhaka

Masculine	Singular	Dual	Plural
Nominative	oṣṭhakaḥ	oṣṭhakau	oṣṭhakāḥ
Vocative	oṣṭhaka	oṣṭhakau	oṣṭhakāḥ
Accusative	oṣṭhakam	oṣṭhakau	oṣṭhakān
Instrumental	oṣṭhakena	oṣṭhakābhyām	oṣṭhakaiḥ oṣṭhakebhiḥ
Dative	oṣṭhakāya	oṣṭhakābhyām	oṣṭhakebhyaḥ
Ablative	oṣṭhakāt	oṣṭhakābhyām	oṣṭhakebhyaḥ
Genitive	oṣṭhakasya	oṣṭhakayoḥ	oṣṭhakānām
Locative	oṣṭhake	oṣṭhakayoḥ	oṣṭhakeṣu

Compound oṣṭhaka -

Adverb -oṣṭhakam -oṣṭhakāt