Declension table of ?śapathya

Neuter	Singular	Dual	Plural
Nominative	śapathyam	śapathye	śapathyāni
Vocative	śapathya	śapathye	śapathyāni
Accusative	śapathyam	śapathye	śapathyāni
Instrumental	śapathyena	śapathyābhyām	śapathyaiḥ
Dative	śapathyāya	śapathyābhyām	śapathyebhyaḥ
Ablative	śapathyāt	śapathyābhyām	śapathyebhyaḥ
Genitive	śapathyasya	śapathyayoḥ	śapathyānām
Locative	śapathye	śapathyayoḥ	śapathyeṣu

Compound śapathya -

Adverb -śapathyam -śapathyāt