Declension table of śastrin

Masculine	Singular	Dual	Plural
Nominative	śastrī	śastriṇau	śastriṇaḥ
Vocative	śastrin	śastriṇau	śastriṇaḥ
Accusative	śastriṇam	śastriṇau	śastriṇaḥ
Instrumental	śastriṇā	śastribhyām	śastribhiḥ
Dative	śastriṇe	śastribhyām	śastribhyaḥ
Ablative	śastriṇaḥ	śastribhyām	śastribhyaḥ
Genitive	śastriṇaḥ	śastriṇoḥ	śastriṇām
Locative	śastriṇi	śastriṇoḥ	śastriṣu

Compound śastri -

Adverb -śastri