Declension table of ?invaka

Neuter	Singular	Dual	Plural
Nominative	invakam	invake	invakāni
Vocative	invaka	invake	invakāni
Accusative	invakam	invake	invakāni
Instrumental	invakena	invakābhyām	invakaiḥ
Dative	invakāya	invakābhyām	invakebhyaḥ
Ablative	invakāt	invakābhyām	invakebhyaḥ
Genitive	invakasya	invakayoḥ	invakānām
Locative	invake	invakayoḥ	invakeṣu

Compound invaka -

Adverb -invakam -invakāt