Declension table of ?sahitatva

Neuter	Singular	Dual	Plural
Nominative	sahitatvam	sahitatve	sahitatvāni
Vocative	sahitatva	sahitatve	sahitatvāni
Accusative	sahitatvam	sahitatve	sahitatvāni
Instrumental	sahitatvena	sahitatvābhyām	sahitatvaiḥ
Dative	sahitatvāya	sahitatvābhyām	sahitatvebhyaḥ
Ablative	sahitatvāt	sahitatvābhyām	sahitatvebhyaḥ
Genitive	sahitatvasya	sahitatvayoḥ	sahitatvānām
Locative	sahitatve	sahitatvayoḥ	sahitatveṣu

Compound sahitatva -

Adverb -sahitatvam -sahitatvāt