Declension table of ?apsava

Masculine	Singular	Dual	Plural
Nominative	apsavaḥ	apsavau	apsavāḥ
Vocative	apsava	apsavau	apsavāḥ
Accusative	apsavam	apsavau	apsavān
Instrumental	apsavena	apsavābhyām	apsavaiḥ apsavebhiḥ
Dative	apsavāya	apsavābhyām	apsavebhyaḥ
Ablative	apsavāt	apsavābhyām	apsavebhyaḥ
Genitive	apsavasya	apsavayoḥ	apsavānām
Locative	apsave	apsavayoḥ	apsaveṣu

Compound apsava -

Adverb -apsavam -apsavāt