Declension table of kṛtnu

Masculine	Singular	Dual	Plural
Nominative	kṛtnuḥ	kṛtnū	kṛtnavaḥ
Vocative	kṛtno	kṛtnū	kṛtnavaḥ
Accusative	kṛtnum	kṛtnū	kṛtnūn
Instrumental	kṛtnunā	kṛtnubhyām	kṛtnubhiḥ
Dative	kṛtnave	kṛtnubhyām	kṛtnubhyaḥ
Ablative	kṛtnoḥ	kṛtnubhyām	kṛtnubhyaḥ
Genitive	kṛtnoḥ	kṛtnvoḥ	kṛtnūnām
Locative	kṛtnau	kṛtnvoḥ	kṛtnuṣu

Compound kṛtnu -

Adverb -kṛtnu