Declension table of ?dīrghaprajña

Masculine	Singular	Dual	Plural
Nominative	dīrghaprajñaḥ	dīrghaprajñau	dīrghaprajñāḥ
Vocative	dīrghaprajña	dīrghaprajñau	dīrghaprajñāḥ
Accusative	dīrghaprajñam	dīrghaprajñau	dīrghaprajñān
Instrumental	dīrghaprajñena	dīrghaprajñābhyām	dīrghaprajñaiḥ dīrghaprajñebhiḥ
Dative	dīrghaprajñāya	dīrghaprajñābhyām	dīrghaprajñebhyaḥ
Ablative	dīrghaprajñāt	dīrghaprajñābhyām	dīrghaprajñebhyaḥ
Genitive	dīrghaprajñasya	dīrghaprajñayoḥ	dīrghaprajñānām
Locative	dīrghaprajñe	dīrghaprajñayoḥ	dīrghaprajñeṣu

Compound dīrghaprajña -

Adverb -dīrghaprajñam -dīrghaprajñāt