Declension table of ?sarvasiddhi

Feminine	Singular	Dual	Plural
Nominative	sarvasiddhiḥ	sarvasiddhī	sarvasiddhayaḥ
Vocative	sarvasiddhe	sarvasiddhī	sarvasiddhayaḥ
Accusative	sarvasiddhim	sarvasiddhī	sarvasiddhīḥ
Instrumental	sarvasiddhyā	sarvasiddhibhyām	sarvasiddhibhiḥ
Dative	sarvasiddhyai sarvasiddhaye	sarvasiddhibhyām	sarvasiddhibhyaḥ
Ablative	sarvasiddhyāḥ sarvasiddheḥ	sarvasiddhibhyām	sarvasiddhibhyaḥ
Genitive	sarvasiddhyāḥ sarvasiddheḥ	sarvasiddhyoḥ	sarvasiddhīnām
Locative	sarvasiddhyām sarvasiddhau	sarvasiddhyoḥ	sarvasiddhiṣu

Compound sarvasiddhi -

Adverb -sarvasiddhi