Declension table of ?sāṃsiddhya

Neuter	Singular	Dual	Plural
Nominative	sāṃsiddhyam	sāṃsiddhye	sāṃsiddhyāni
Vocative	sāṃsiddhya	sāṃsiddhye	sāṃsiddhyāni
Accusative	sāṃsiddhyam	sāṃsiddhye	sāṃsiddhyāni
Instrumental	sāṃsiddhyena	sāṃsiddhyābhyām	sāṃsiddhyaiḥ
Dative	sāṃsiddhyāya	sāṃsiddhyābhyām	sāṃsiddhyebhyaḥ
Ablative	sāṃsiddhyāt	sāṃsiddhyābhyām	sāṃsiddhyebhyaḥ
Genitive	sāṃsiddhyasya	sāṃsiddhyayoḥ	sāṃsiddhyānām
Locative	sāṃsiddhye	sāṃsiddhyayoḥ	sāṃsiddhyeṣu

Compound sāṃsiddhya -

Adverb -sāṃsiddhyam -sāṃsiddhyāt