Declension table of ?yavan

Masculine	Singular	Dual	Plural
Nominative	yavā	yavānau	yavānaḥ
Vocative	yavan	yavānau	yavānaḥ
Accusative	yavānam	yavānau	yavnaḥ
Instrumental	yavnā	yavabhyām	yavabhiḥ
Dative	yavne	yavabhyām	yavabhyaḥ
Ablative	yavnaḥ	yavabhyām	yavabhyaḥ
Genitive	yavnaḥ	yavnoḥ	yavnām
Locative	yavni yavani	yavnoḥ	yavasu

Compound yava -

Adverb -yavam