Declension table of ?sānāthya

Neuter	Singular	Dual	Plural
Nominative	sānāthyam	sānāthye	sānāthyāni
Vocative	sānāthya	sānāthye	sānāthyāni
Accusative	sānāthyam	sānāthye	sānāthyāni
Instrumental	sānāthyena	sānāthyābhyām	sānāthyaiḥ
Dative	sānāthyāya	sānāthyābhyām	sānāthyebhyaḥ
Ablative	sānāthyāt	sānāthyābhyām	sānāthyebhyaḥ
Genitive	sānāthyasya	sānāthyayoḥ	sānāthyānām
Locative	sānāthye	sānāthyayoḥ	sānāthyeṣu

Compound sānāthya -

Adverb -sānāthyam -sānāthyāt