Declension table of ?siddhapāda

Masculine	Singular	Dual	Plural
Nominative	siddhapādaḥ	siddhapādau	siddhapādāḥ
Vocative	siddhapāda	siddhapādau	siddhapādāḥ
Accusative	siddhapādam	siddhapādau	siddhapādān
Instrumental	siddhapādena	siddhapādābhyām	siddhapādaiḥ siddhapādebhiḥ
Dative	siddhapādāya	siddhapādābhyām	siddhapādebhyaḥ
Ablative	siddhapādāt	siddhapādābhyām	siddhapādebhyaḥ
Genitive	siddhapādasya	siddhapādayoḥ	siddhapādānām
Locative	siddhapāde	siddhapādayoḥ	siddhapādeṣu

Compound siddhapāda -

Adverb -siddhapādam -siddhapādāt