Declension table of ?udakpāda

Neuter	Singular	Dual	Plural
Nominative	udakpādam	udakpāde	udakpādāni
Vocative	udakpāda	udakpāde	udakpādāni
Accusative	udakpādam	udakpāde	udakpādāni
Instrumental	udakpādena	udakpādābhyām	udakpādaiḥ
Dative	udakpādāya	udakpādābhyām	udakpādebhyaḥ
Ablative	udakpādāt	udakpādābhyām	udakpādebhyaḥ
Genitive	udakpādasya	udakpādayoḥ	udakpādānām
Locative	udakpāde	udakpādayoḥ	udakpādeṣu

Compound udakpāda -

Adverb -udakpādam -udakpādāt