Declension table of ?aupasthūṇya

Masculine	Singular	Dual	Plural
Nominative	aupasthūṇyaḥ	aupasthūṇyau	aupasthūṇyāḥ
Vocative	aupasthūṇya	aupasthūṇyau	aupasthūṇyāḥ
Accusative	aupasthūṇyam	aupasthūṇyau	aupasthūṇyān
Instrumental	aupasthūṇyena	aupasthūṇyābhyām	aupasthūṇyaiḥ aupasthūṇyebhiḥ
Dative	aupasthūṇyāya	aupasthūṇyābhyām	aupasthūṇyebhyaḥ
Ablative	aupasthūṇyāt	aupasthūṇyābhyām	aupasthūṇyebhyaḥ
Genitive	aupasthūṇyasya	aupasthūṇyayoḥ	aupasthūṇyānām
Locative	aupasthūṇye	aupasthūṇyayoḥ	aupasthūṇyeṣu

Compound aupasthūṇya -

Adverb -aupasthūṇyam -aupasthūṇyāt