Declension table of ?santarutra

Neuter	Singular	Dual	Plural
Nominative	santarutram	santarutre	santarutrāṇi
Vocative	santarutra	santarutre	santarutrāṇi
Accusative	santarutram	santarutre	santarutrāṇi
Instrumental	santarutreṇa	santarutrābhyām	santarutraiḥ
Dative	santarutrāya	santarutrābhyām	santarutrebhyaḥ
Ablative	santarutrāt	santarutrābhyām	santarutrebhyaḥ
Genitive	santarutrasya	santarutrayoḥ	santarutrāṇām
Locative	santarutre	santarutrayoḥ	santarutreṣu

Compound santarutra -

Adverb -santarutram -santarutrāt