Declension table of ?yaka

Masculine	Singular	Dual	Plural
Nominative	yakaḥ	yakau	yakāḥ
Vocative	yaka	yakau	yakāḥ
Accusative	yakam	yakau	yakān
Instrumental	yakena	yakābhyām	yakaiḥ
Dative	yakāya	yakābhyām	yakebhyaḥ
Ablative	yakāt	yakābhyām	yakebhyaḥ
Genitive	yakasya	yakayoḥ	yakānām
Locative	yake	yakayoḥ	yakeṣu

Compound yaka -

Adverb -yakam -yakāt