Declension table of ?yattavat

Masculine	Singular	Dual	Plural
Nominative	yattavān	yattavantau	yattavantaḥ
Vocative	yattavan	yattavantau	yattavantaḥ
Accusative	yattavantam	yattavantau	yattavataḥ
Instrumental	yattavatā	yattavadbhyām	yattavadbhiḥ
Dative	yattavate	yattavadbhyām	yattavadbhyaḥ
Ablative	yattavataḥ	yattavadbhyām	yattavadbhyaḥ
Genitive	yattavataḥ	yattavatoḥ	yattavatām
Locative	yattavati	yattavatoḥ	yattavatsu

Compound yattavat -

Adverb -yattavantam