Declension table of ?yavitavya

Neuter	Singular	Dual	Plural
Nominative	yavitavyam	yavitavye	yavitavyāni
Vocative	yavitavya	yavitavye	yavitavyāni
Accusative	yavitavyam	yavitavye	yavitavyāni
Instrumental	yavitavyena	yavitavyābhyām	yavitavyaiḥ
Dative	yavitavyāya	yavitavyābhyām	yavitavyebhyaḥ
Ablative	yavitavyāt	yavitavyābhyām	yavitavyebhyaḥ
Genitive	yavitavyasya	yavitavyayoḥ	yavitavyānām
Locative	yavitavye	yavitavyayoḥ	yavitavyeṣu

Compound yavitavya -

Adverb -yavitavyam -yavitavyāt