Declension table of ?kṛṇāna

Masculine	Singular	Dual	Plural
Nominative	kṛṇānaḥ	kṛṇānau	kṛṇānāḥ
Vocative	kṛṇāna	kṛṇānau	kṛṇānāḥ
Accusative	kṛṇānam	kṛṇānau	kṛṇānān
Instrumental	kṛṇānena	kṛṇānābhyām	kṛṇānaiḥ kṛṇānebhiḥ
Dative	kṛṇānāya	kṛṇānābhyām	kṛṇānebhyaḥ
Ablative	kṛṇānāt	kṛṇānābhyām	kṛṇānebhyaḥ
Genitive	kṛṇānasya	kṛṇānayoḥ	kṛṇānānām
Locative	kṛṇāne	kṛṇānayoḥ	kṛṇāneṣu

Compound kṛṇāna -

Adverb -kṛṇānam -kṛṇānāt