Declension table of ?knattha

Masculine	Singular	Dual	Plural
Nominative	knatthaḥ	knatthau	knatthāḥ
Vocative	knattha	knatthau	knatthāḥ
Accusative	knattham	knatthau	knatthān
Instrumental	knatthena	knatthābhyām	knatthaiḥ knatthebhiḥ
Dative	knatthāya	knatthābhyām	knatthebhyaḥ
Ablative	knatthāt	knatthābhyām	knatthebhyaḥ
Genitive	knatthasya	knatthayoḥ	knatthānām
Locative	knatthe	knatthayoḥ	knattheṣu

Compound knattha -

Adverb -knattham -knatthāt