Declension table of ?pragāḍhatva

Neuter	Singular	Dual	Plural
Nominative	pragāḍhatvam	pragāḍhatve	pragāḍhatvāni
Vocative	pragāḍhatva	pragāḍhatve	pragāḍhatvāni
Accusative	pragāḍhatvam	pragāḍhatve	pragāḍhatvāni
Instrumental	pragāḍhatvena	pragāḍhatvābhyām	pragāḍhatvaiḥ
Dative	pragāḍhatvāya	pragāḍhatvābhyām	pragāḍhatvebhyaḥ
Ablative	pragāḍhatvāt	pragāḍhatvābhyām	pragāḍhatvebhyaḥ
Genitive	pragāḍhatvasya	pragāḍhatvayoḥ	pragāḍhatvānām
Locative	pragāḍhatve	pragāḍhatvayoḥ	pragāḍhatveṣu

Compound pragāḍhatva -

Adverb -pragāḍhatvam -pragāḍhatvāt