Declension table of ?prayogitva

Neuter	Singular	Dual	Plural
Nominative	prayogitvam	prayogitve	prayogitvāni
Vocative	prayogitva	prayogitve	prayogitvāni
Accusative	prayogitvam	prayogitve	prayogitvāni
Instrumental	prayogitvena	prayogitvābhyām	prayogitvaiḥ
Dative	prayogitvāya	prayogitvābhyām	prayogitvebhyaḥ
Ablative	prayogitvāt	prayogitvābhyām	prayogitvebhyaḥ
Genitive	prayogitvasya	prayogitvayoḥ	prayogitvānām
Locative	prayogitve	prayogitvayoḥ	prayogitveṣu

Compound prayogitva -

Adverb -prayogitvam -prayogitvāt