Declension table of ?ghanatva

Neuter	Singular	Dual	Plural
Nominative	ghanatvam	ghanatve	ghanatvāni
Vocative	ghanatva	ghanatve	ghanatvāni
Accusative	ghanatvam	ghanatve	ghanatvāni
Instrumental	ghanatvena	ghanatvābhyām	ghanatvaiḥ
Dative	ghanatvāya	ghanatvābhyām	ghanatvebhyaḥ
Ablative	ghanatvāt	ghanatvābhyām	ghanatvebhyaḥ
Genitive	ghanatvasya	ghanatvayoḥ	ghanatvānām
Locative	ghanatve	ghanatvayoḥ	ghanatveṣu

Compound ghanatva -

Adverb -ghanatvam -ghanatvāt