Declension table of ?iṣṭatama

Neuter	Singular	Dual	Plural
Nominative	iṣṭatamam	iṣṭatame	iṣṭatamāni
Vocative	iṣṭatama	iṣṭatame	iṣṭatamāni
Accusative	iṣṭatamam	iṣṭatame	iṣṭatamāni
Instrumental	iṣṭatamena	iṣṭatamābhyām	iṣṭatamaiḥ
Dative	iṣṭatamāya	iṣṭatamābhyām	iṣṭatamebhyaḥ
Ablative	iṣṭatamāt	iṣṭatamābhyām	iṣṭatamebhyaḥ
Genitive	iṣṭatamasya	iṣṭatamayoḥ	iṣṭatamānām
Locative	iṣṭatame	iṣṭatamayoḥ	iṣṭatameṣu

Compound iṣṭatama -

Adverb -iṣṭatamam -iṣṭatamāt