Declension table of ?vṛddhadhūpa

Masculine	Singular	Dual	Plural
Nominative	vṛddhadhūpaḥ	vṛddhadhūpau	vṛddhadhūpāḥ
Vocative	vṛddhadhūpa	vṛddhadhūpau	vṛddhadhūpāḥ
Accusative	vṛddhadhūpam	vṛddhadhūpau	vṛddhadhūpān
Instrumental	vṛddhadhūpena	vṛddhadhūpābhyām	vṛddhadhūpaiḥ vṛddhadhūpebhiḥ
Dative	vṛddhadhūpāya	vṛddhadhūpābhyām	vṛddhadhūpebhyaḥ
Ablative	vṛddhadhūpāt	vṛddhadhūpābhyām	vṛddhadhūpebhyaḥ
Genitive	vṛddhadhūpasya	vṛddhadhūpayoḥ	vṛddhadhūpānām
Locative	vṛddhadhūpe	vṛddhadhūpayoḥ	vṛddhadhūpeṣu

Compound vṛddhadhūpa -

Adverb -vṛddhadhūpam -vṛddhadhūpāt