Declension table of ?śilpatva

Neuter	Singular	Dual	Plural
Nominative	śilpatvam	śilpatve	śilpatvāni
Vocative	śilpatva	śilpatve	śilpatvāni
Accusative	śilpatvam	śilpatve	śilpatvāni
Instrumental	śilpatvena	śilpatvābhyām	śilpatvaiḥ
Dative	śilpatvāya	śilpatvābhyām	śilpatvebhyaḥ
Ablative	śilpatvāt	śilpatvābhyām	śilpatvebhyaḥ
Genitive	śilpatvasya	śilpatvayoḥ	śilpatvānām
Locative	śilpatve	śilpatvayoḥ	śilpatveṣu

Compound śilpatva -

Adverb -śilpatvam -śilpatvāt