Declension table of ?yāvāsa

Masculine	Singular	Dual	Plural
Nominative	yāvāsaḥ	yāvāsau	yāvāsāḥ
Vocative	yāvāsa	yāvāsau	yāvāsāḥ
Accusative	yāvāsam	yāvāsau	yāvāsān
Instrumental	yāvāsena	yāvāsābhyām	yāvāsaiḥ yāvāsebhiḥ
Dative	yāvāsāya	yāvāsābhyām	yāvāsebhyaḥ
Ablative	yāvāsāt	yāvāsābhyām	yāvāsebhyaḥ
Genitive	yāvāsasya	yāvāsayoḥ	yāvāsānām
Locative	yāvāse	yāvāsayoḥ	yāvāseṣu

Compound yāvāsa -

Adverb -yāvāsam -yāvāsāt