Declension table of ?siddheśvaratantra

Neuter	Singular	Dual	Plural
Nominative	siddheśvaratantram	siddheśvaratantre	siddheśvaratantrāṇi
Vocative	siddheśvaratantra	siddheśvaratantre	siddheśvaratantrāṇi
Accusative	siddheśvaratantram	siddheśvaratantre	siddheśvaratantrāṇi
Instrumental	siddheśvaratantreṇa	siddheśvaratantrābhyām	siddheśvaratantraiḥ
Dative	siddheśvaratantrāya	siddheśvaratantrābhyām	siddheśvaratantrebhyaḥ
Ablative	siddheśvaratantrāt	siddheśvaratantrābhyām	siddheśvaratantrebhyaḥ
Genitive	siddheśvaratantrasya	siddheśvaratantrayoḥ	siddheśvaratantrāṇām
Locative	siddheśvaratantre	siddheśvaratantrayoḥ	siddheśvaratantreṣu

Compound siddheśvaratantra -

Adverb -siddheśvaratantram -siddheśvaratantrāt