Declension table of ?goṣṭhya

Masculine	Singular	Dual	Plural
Nominative	goṣṭhyaḥ	goṣṭhyau	goṣṭhyāḥ
Vocative	goṣṭhya	goṣṭhyau	goṣṭhyāḥ
Accusative	goṣṭhyam	goṣṭhyau	goṣṭhyān
Instrumental	goṣṭhyena	goṣṭhyābhyām	goṣṭhyaiḥ goṣṭhyebhiḥ
Dative	goṣṭhyāya	goṣṭhyābhyām	goṣṭhyebhyaḥ
Ablative	goṣṭhyāt	goṣṭhyābhyām	goṣṭhyebhyaḥ
Genitive	goṣṭhyasya	goṣṭhyayoḥ	goṣṭhyānām
Locative	goṣṭhye	goṣṭhyayoḥ	goṣṭhyeṣu

Compound goṣṭhya -

Adverb -goṣṭhyam -goṣṭhyāt