Declension table of ?śastravidvas

Masculine	Singular	Dual	Plural
Nominative	śastravidvān	śastravidvāṃsau	śastravidvāṃsaḥ
Vocative	śastravidvan	śastravidvāṃsau	śastravidvāṃsaḥ
Accusative	śastravidvāṃsam	śastravidvāṃsau	śastraviduṣaḥ
Instrumental	śastraviduṣā	śastravidvadbhyām	śastravidvadbhiḥ
Dative	śastraviduṣe	śastravidvadbhyām	śastravidvadbhyaḥ
Ablative	śastraviduṣaḥ	śastravidvadbhyām	śastravidvadbhyaḥ
Genitive	śastraviduṣaḥ	śastraviduṣoḥ	śastraviduṣām
Locative	śastraviduṣi	śastraviduṣoḥ	śastravidvatsu

Compound śastravidvat -

Adverb -śastravidvas