Declension table of ?vipulaka

Masculine	Singular	Dual	Plural
Nominative	vipulakaḥ	vipulakau	vipulakāḥ
Vocative	vipulaka	vipulakau	vipulakāḥ
Accusative	vipulakam	vipulakau	vipulakān
Instrumental	vipulakena	vipulakābhyām	vipulakaiḥ vipulakebhiḥ
Dative	vipulakāya	vipulakābhyām	vipulakebhyaḥ
Ablative	vipulakāt	vipulakābhyām	vipulakebhyaḥ
Genitive	vipulakasya	vipulakayoḥ	vipulakānām
Locative	vipulake	vipulakayoḥ	vipulakeṣu

Compound vipulaka -

Adverb -vipulakam -vipulakāt