Declension table of ?sāvasa

Neuter	Singular	Dual	Plural
Nominative	sāvasam	sāvase	sāvasāni
Vocative	sāvasa	sāvase	sāvasāni
Accusative	sāvasam	sāvase	sāvasāni
Instrumental	sāvasena	sāvasābhyām	sāvasaiḥ
Dative	sāvasāya	sāvasābhyām	sāvasebhyaḥ
Ablative	sāvasāt	sāvasābhyām	sāvasebhyaḥ
Genitive	sāvasasya	sāvasayoḥ	sāvasānām
Locative	sāvase	sāvasayoḥ	sāvaseṣu

Compound sāvasa -

Adverb -sāvasam -sāvasāt