Declension table of ?santarpaka

Neuter	Singular	Dual	Plural
Nominative	santarpakam	santarpake	santarpakāṇi
Vocative	santarpaka	santarpake	santarpakāṇi
Accusative	santarpakam	santarpake	santarpakāṇi
Instrumental	santarpakeṇa	santarpakābhyām	santarpakaiḥ
Dative	santarpakāya	santarpakābhyām	santarpakebhyaḥ
Ablative	santarpakāt	santarpakābhyām	santarpakebhyaḥ
Genitive	santarpakasya	santarpakayoḥ	santarpakāṇām
Locative	santarpake	santarpakayoḥ	santarpakeṣu

Compound santarpaka -

Adverb -santarpakam -santarpakāt