Declension table of ?sāvayasa

Masculine	Singular	Dual	Plural
Nominative	sāvayasaḥ	sāvayasau	sāvayasāḥ
Vocative	sāvayasa	sāvayasau	sāvayasāḥ
Accusative	sāvayasam	sāvayasau	sāvayasān
Instrumental	sāvayasena	sāvayasābhyām	sāvayasaiḥ sāvayasebhiḥ
Dative	sāvayasāya	sāvayasābhyām	sāvayasebhyaḥ
Ablative	sāvayasāt	sāvayasābhyām	sāvayasebhyaḥ
Genitive	sāvayasasya	sāvayasayoḥ	sāvayasānām
Locative	sāvayase	sāvayasayoḥ	sāvayaseṣu

Compound sāvayasa -

Adverb -sāvayasam -sāvayasāt