Declension table of ?samittva

Neuter	Singular	Dual	Plural
Nominative	samittvam	samittve	samittvāni
Vocative	samittva	samittve	samittvāni
Accusative	samittvam	samittve	samittvāni
Instrumental	samittvena	samittvābhyām	samittvaiḥ
Dative	samittvāya	samittvābhyām	samittvebhyaḥ
Ablative	samittvāt	samittvābhyām	samittvebhyaḥ
Genitive	samittvasya	samittvayoḥ	samittvānām
Locative	samittve	samittvayoḥ	samittveṣu

Compound samittva -

Adverb -samittvam -samittvāt