Declension table of ?yavāna

Neuter	Singular	Dual	Plural
Nominative	yavānam	yavāne	yavānāni
Vocative	yavāna	yavāne	yavānāni
Accusative	yavānam	yavāne	yavānāni
Instrumental	yavānena	yavānābhyām	yavānaiḥ
Dative	yavānāya	yavānābhyām	yavānebhyaḥ
Ablative	yavānāt	yavānābhyām	yavānebhyaḥ
Genitive	yavānasya	yavānayoḥ	yavānānām
Locative	yavāne	yavānayoḥ	yavāneṣu

Compound yavāna -

Adverb -yavānam -yavānāt