Declension table of ?styātavya

Neuter	Singular	Dual	Plural
Nominative	styātavyam	styātavye	styātavyāni
Vocative	styātavya	styātavye	styātavyāni
Accusative	styātavyam	styātavye	styātavyāni
Instrumental	styātavyena	styātavyābhyām	styātavyaiḥ
Dative	styātavyāya	styātavyābhyām	styātavyebhyaḥ
Ablative	styātavyāt	styātavyābhyām	styātavyebhyaḥ
Genitive	styātavyasya	styātavyayoḥ	styātavyānām
Locative	styātavye	styātavyayoḥ	styātavyeṣu

Compound styātavya -

Adverb -styātavyam -styātavyāt