Declension table of ?vṛddhakāka

Masculine	Singular	Dual	Plural
Nominative	vṛddhakākaḥ	vṛddhakākau	vṛddhakākāḥ
Vocative	vṛddhakāka	vṛddhakākau	vṛddhakākāḥ
Accusative	vṛddhakākam	vṛddhakākau	vṛddhakākān
Instrumental	vṛddhakākena	vṛddhakākābhyām	vṛddhakākaiḥ vṛddhakākebhiḥ
Dative	vṛddhakākāya	vṛddhakākābhyām	vṛddhakākebhyaḥ
Ablative	vṛddhakākāt	vṛddhakākābhyām	vṛddhakākebhyaḥ
Genitive	vṛddhakākasya	vṛddhakākayoḥ	vṛddhakākānām
Locative	vṛddhakāke	vṛddhakākayoḥ	vṛddhakākeṣu

Compound vṛddhakāka -

Adverb -vṛddhakākam -vṛddhakākāt