Declension table of ?spartavya

Masculine	Singular	Dual	Plural
Nominative	spartavyaḥ	spartavyau	spartavyāḥ
Vocative	spartavya	spartavyau	spartavyāḥ
Accusative	spartavyam	spartavyau	spartavyān
Instrumental	spartavyena	spartavyābhyām	spartavyaiḥ spartavyebhiḥ
Dative	spartavyāya	spartavyābhyām	spartavyebhyaḥ
Ablative	spartavyāt	spartavyābhyām	spartavyebhyaḥ
Genitive	spartavyasya	spartavyayoḥ	spartavyānām
Locative	spartavye	spartavyayoḥ	spartavyeṣu

Compound spartavya -

Adverb -spartavyam -spartavyāt