Declension table of bandhutva

Neuter	Singular	Dual	Plural
Nominative	bandhutvam	bandhutve	bandhutvāni
Vocative	bandhutva	bandhutve	bandhutvāni
Accusative	bandhutvam	bandhutve	bandhutvāni
Instrumental	bandhutvena	bandhutvābhyām	bandhutvaiḥ
Dative	bandhutvāya	bandhutvābhyām	bandhutvebhyaḥ
Ablative	bandhutvāt	bandhutvābhyām	bandhutvebhyaḥ
Genitive	bandhutvasya	bandhutvayoḥ	bandhutvānām
Locative	bandhutve	bandhutvayoḥ	bandhutveṣu

Compound bandhutva -

Adverb -bandhutvam -bandhutvāt