Declension table of ?yavya

Neuter	Singular	Dual	Plural
Nominative	yavyam	yavye	yavyāni
Vocative	yavya	yavye	yavyāni
Accusative	yavyam	yavye	yavyāni
Instrumental	yavyena	yavyābhyām	yavyaiḥ
Dative	yavyāya	yavyābhyām	yavyebhyaḥ
Ablative	yavyāt	yavyābhyām	yavyebhyaḥ
Genitive	yavyasya	yavyayoḥ	yavyānām
Locative	yavye	yavyayoḥ	yavyeṣu

Compound yavya -

Adverb -yavyam -yavyāt