Declension table of ?siddhavasti

Masculine	Singular	Dual	Plural
Nominative	siddhavastiḥ	siddhavastī	siddhavastayaḥ
Vocative	siddhavaste	siddhavastī	siddhavastayaḥ
Accusative	siddhavastim	siddhavastī	siddhavastīn
Instrumental	siddhavastinā	siddhavastibhyām	siddhavastibhiḥ
Dative	siddhavastaye	siddhavastibhyām	siddhavastibhyaḥ
Ablative	siddhavasteḥ	siddhavastibhyām	siddhavastibhyaḥ
Genitive	siddhavasteḥ	siddhavastyoḥ	siddhavastīnām
Locative	siddhavastau	siddhavastyoḥ	siddhavastiṣu

Compound siddhavasti -

Adverb -siddhavasti