Declension table of ?karkaśatva

Neuter	Singular	Dual	Plural
Nominative	karkaśatvam	karkaśatve	karkaśatvāni
Vocative	karkaśatva	karkaśatve	karkaśatvāni
Accusative	karkaśatvam	karkaśatve	karkaśatvāni
Instrumental	karkaśatvena	karkaśatvābhyām	karkaśatvaiḥ
Dative	karkaśatvāya	karkaśatvābhyām	karkaśatvebhyaḥ
Ablative	karkaśatvāt	karkaśatvābhyām	karkaśatvebhyaḥ
Genitive	karkaśatvasya	karkaśatvayoḥ	karkaśatvānām
Locative	karkaśatve	karkaśatvayoḥ	karkaśatveṣu

Compound karkaśatva -

Adverb -karkaśatvam -karkaśatvāt