Declension table of siddhiprāya

Neuter	Singular	Dual	Plural
Nominative	siddhiprāyam	siddhiprāye	siddhiprāyāṇi
Vocative	siddhiprāya	siddhiprāye	siddhiprāyāṇi
Accusative	siddhiprāyam	siddhiprāye	siddhiprāyāṇi
Instrumental	siddhiprāyeṇa	siddhiprāyābhyām	siddhiprāyaiḥ
Dative	siddhiprāyāya	siddhiprāyābhyām	siddhiprāyebhyaḥ
Ablative	siddhiprāyāt	siddhiprāyābhyām	siddhiprāyebhyaḥ
Genitive	siddhiprāyasya	siddhiprāyayoḥ	siddhiprāyāṇām
Locative	siddhiprāye	siddhiprāyayoḥ	siddhiprāyeṣu

Compound siddhiprāya -

Adverb -siddhiprāyam -siddhiprāyāt