Declension table of ?śastrapada

Neuter	Singular	Dual	Plural
Nominative	śastrapadam	śastrapade	śastrapadāni
Vocative	śastrapada	śastrapade	śastrapadāni
Accusative	śastrapadam	śastrapade	śastrapadāni
Instrumental	śastrapadena	śastrapadābhyām	śastrapadaiḥ
Dative	śastrapadāya	śastrapadābhyām	śastrapadebhyaḥ
Ablative	śastrapadāt	śastrapadābhyām	śastrapadebhyaḥ
Genitive	śastrapadasya	śastrapadayoḥ	śastrapadānām
Locative	śastrapade	śastrapadayoḥ	śastrapadeṣu

Compound śastrapada -

Adverb -śastrapadam -śastrapadāt