Declension table of ?sthūlatva

Neuter	Singular	Dual	Plural
Nominative	sthūlatvam	sthūlatve	sthūlatvāni
Vocative	sthūlatva	sthūlatve	sthūlatvāni
Accusative	sthūlatvam	sthūlatve	sthūlatvāni
Instrumental	sthūlatvena	sthūlatvābhyām	sthūlatvaiḥ
Dative	sthūlatvāya	sthūlatvābhyām	sthūlatvebhyaḥ
Ablative	sthūlatvāt	sthūlatvābhyām	sthūlatvebhyaḥ
Genitive	sthūlatvasya	sthūlatvayoḥ	sthūlatvānām
Locative	sthūlatve	sthūlatvayoḥ	sthūlatveṣu

Compound sthūlatva -

Adverb -sthūlatvam -sthūlatvāt