Declension table of ?startavya

Neuter	Singular	Dual	Plural
Nominative	startavyam	startavye	startavyāni
Vocative	startavya	startavye	startavyāni
Accusative	startavyam	startavye	startavyāni
Instrumental	startavyena	startavyābhyām	startavyaiḥ
Dative	startavyāya	startavyābhyām	startavyebhyaḥ
Ablative	startavyāt	startavyābhyām	startavyebhyaḥ
Genitive	startavyasya	startavyayoḥ	startavyānām
Locative	startavye	startavyayoḥ	startavyeṣu

Compound startavya -

Adverb -startavyam -startavyāt