Declension table of ?sadharmatva

Neuter	Singular	Dual	Plural
Nominative	sadharmatvam	sadharmatve	sadharmatvāni
Vocative	sadharmatva	sadharmatve	sadharmatvāni
Accusative	sadharmatvam	sadharmatve	sadharmatvāni
Instrumental	sadharmatvena	sadharmatvābhyām	sadharmatvaiḥ
Dative	sadharmatvāya	sadharmatvābhyām	sadharmatvebhyaḥ
Ablative	sadharmatvāt	sadharmatvābhyām	sadharmatvebhyaḥ
Genitive	sadharmatvasya	sadharmatvayoḥ	sadharmatvānām
Locative	sadharmatve	sadharmatvayoḥ	sadharmatveṣu

Compound sadharmatva -

Adverb -sadharmatvam -sadharmatvāt