Declension table of ?suratna

Neuter	Singular	Dual	Plural
Nominative	suratnam	suratne	suratnāni
Vocative	suratna	suratne	suratnāni
Accusative	suratnam	suratne	suratnāni
Instrumental	suratnena	suratnābhyām	suratnaiḥ
Dative	suratnāya	suratnābhyām	suratnebhyaḥ
Ablative	suratnāt	suratnābhyām	suratnebhyaḥ
Genitive	suratnasya	suratnayoḥ	suratnānām
Locative	suratne	suratnayoḥ	suratneṣu

Compound suratna -

Adverb -suratnam -suratnāt