Declension table of ?santamasa

Neuter	Singular	Dual	Plural
Nominative	santamasam	santamase	santamasāni
Vocative	santamasa	santamase	santamasāni
Accusative	santamasam	santamase	santamasāni
Instrumental	santamasena	santamasābhyām	santamasaiḥ
Dative	santamasāya	santamasābhyām	santamasebhyaḥ
Ablative	santamasāt	santamasābhyām	santamasebhyaḥ
Genitive	santamasasya	santamasayoḥ	santamasānām
Locative	santamase	santamasayoḥ	santamaseṣu

Compound santamasa -

Adverb -santamasam -santamasāt