Declension table of ?śaratva

Neuter	Singular	Dual	Plural
Nominative	śaratvam	śaratve	śaratvāni
Vocative	śaratva	śaratve	śaratvāni
Accusative	śaratvam	śaratve	śaratvāni
Instrumental	śaratvena	śaratvābhyām	śaratvaiḥ
Dative	śaratvāya	śaratvābhyām	śaratvebhyaḥ
Ablative	śaratvāt	śaratvābhyām	śaratvebhyaḥ
Genitive	śaratvasya	śaratvayoḥ	śaratvānām
Locative	śaratve	śaratvayoḥ	śaratveṣu

Compound śaratva -

Adverb -śaratvam -śaratvāt