Declension table of ?sāpatneya

Neuter	Singular	Dual	Plural
Nominative	sāpatneyam	sāpatneye	sāpatneyāni
Vocative	sāpatneya	sāpatneye	sāpatneyāni
Accusative	sāpatneyam	sāpatneye	sāpatneyāni
Instrumental	sāpatneyena	sāpatneyābhyām	sāpatneyaiḥ
Dative	sāpatneyāya	sāpatneyābhyām	sāpatneyebhyaḥ
Ablative	sāpatneyāt	sāpatneyābhyām	sāpatneyebhyaḥ
Genitive	sāpatneyasya	sāpatneyayoḥ	sāpatneyānām
Locative	sāpatneye	sāpatneyayoḥ	sāpatneyeṣu

Compound sāpatneya -

Adverb -sāpatneyam -sāpatneyāt