Declension table of ?sīmantamaṇi

Masculine	Singular	Dual	Plural
Nominative	sīmantamaṇiḥ	sīmantamaṇī	sīmantamaṇayaḥ
Vocative	sīmantamaṇe	sīmantamaṇī	sīmantamaṇayaḥ
Accusative	sīmantamaṇim	sīmantamaṇī	sīmantamaṇīn
Instrumental	sīmantamaṇinā	sīmantamaṇibhyām	sīmantamaṇibhiḥ
Dative	sīmantamaṇaye	sīmantamaṇibhyām	sīmantamaṇibhyaḥ
Ablative	sīmantamaṇeḥ	sīmantamaṇibhyām	sīmantamaṇibhyaḥ
Genitive	sīmantamaṇeḥ	sīmantamaṇyoḥ	sīmantamaṇīnām
Locative	sīmantamaṇau	sīmantamaṇyoḥ	sīmantamaṇiṣu

Compound sīmantamaṇi -

Adverb -sīmantamaṇi