Declension table of ?siddhasādhana

Neuter	Singular	Dual	Plural
Nominative	siddhasādhanam	siddhasādhane	siddhasādhanāni
Vocative	siddhasādhana	siddhasādhane	siddhasādhanāni
Accusative	siddhasādhanam	siddhasādhane	siddhasādhanāni
Instrumental	siddhasādhanena	siddhasādhanābhyām	siddhasādhanaiḥ
Dative	siddhasādhanāya	siddhasādhanābhyām	siddhasādhanebhyaḥ
Ablative	siddhasādhanāt	siddhasādhanābhyām	siddhasādhanebhyaḥ
Genitive	siddhasādhanasya	siddhasādhanayoḥ	siddhasādhanānām
Locative	siddhasādhane	siddhasādhanayoḥ	siddhasādhaneṣu

Compound siddhasādhana -

Adverb -siddhasādhanam -siddhasādhanāt