Declension table of ?gopāya

Neuter	Singular	Dual	Plural
Nominative	gopāyam	gopāye	gopāyāni
Vocative	gopāya	gopāye	gopāyāni
Accusative	gopāyam	gopāye	gopāyāni
Instrumental	gopāyena	gopāyābhyām	gopāyaiḥ
Dative	gopāyāya	gopāyābhyām	gopāyebhyaḥ
Ablative	gopāyāt	gopāyābhyām	gopāyebhyaḥ
Genitive	gopāyasya	gopāyayoḥ	gopāyānām
Locative	gopāye	gopāyayoḥ	gopāyeṣu

Compound gopāya -

Adverb -gopāyam -gopāyāt