Declension table of ?śastranitya

Neuter	Singular	Dual	Plural
Nominative	śastranityam	śastranitye	śastranityāni
Vocative	śastranitya	śastranitye	śastranityāni
Accusative	śastranityam	śastranitye	śastranityāni
Instrumental	śastranityena	śastranityābhyām	śastranityaiḥ
Dative	śastranityāya	śastranityābhyām	śastranityebhyaḥ
Ablative	śastranityāt	śastranityābhyām	śastranityebhyaḥ
Genitive	śastranityasya	śastranityayoḥ	śastranityānām
Locative	śastranitye	śastranityayoḥ	śastranityeṣu

Compound śastranitya -

Adverb -śastranityam -śastranityāt