Declension table of apatha

Neuter	Singular	Dual	Plural
Nominative	apatham	apathe	apathāni
Vocative	apatha	apathe	apathāni
Accusative	apatham	apathe	apathāni
Instrumental	apathena	apathābhyām	apathaiḥ
Dative	apathāya	apathābhyām	apathebhyaḥ
Ablative	apathāt	apathābhyām	apathebhyaḥ
Genitive	apathasya	apathayoḥ	apathānām
Locative	apathe	apathayoḥ	apatheṣu

Compound apatha -

Adverb -apatham -apathāt