Declension table of ?yāvāsa

Neuter	Singular	Dual	Plural
Nominative	yāvāsam	yāvāse	yāvāsāni
Vocative	yāvāsa	yāvāse	yāvāsāni
Accusative	yāvāsam	yāvāse	yāvāsāni
Instrumental	yāvāsena	yāvāsābhyām	yāvāsaiḥ
Dative	yāvāsāya	yāvāsābhyām	yāvāsebhyaḥ
Ablative	yāvāsāt	yāvāsābhyām	yāvāsebhyaḥ
Genitive	yāvāsasya	yāvāsayoḥ	yāvāsānām
Locative	yāvāse	yāvāsayoḥ	yāvāseṣu

Compound yāvāsa -

Adverb -yāvāsam -yāvāsāt