Declension table of ?duradhyeyatva

Neuter	Singular	Dual	Plural
Nominative	duradhyeyatvam	duradhyeyatve	duradhyeyatvāni
Vocative	duradhyeyatva	duradhyeyatve	duradhyeyatvāni
Accusative	duradhyeyatvam	duradhyeyatve	duradhyeyatvāni
Instrumental	duradhyeyatvena	duradhyeyatvābhyām	duradhyeyatvaiḥ
Dative	duradhyeyatvāya	duradhyeyatvābhyām	duradhyeyatvebhyaḥ
Ablative	duradhyeyatvāt	duradhyeyatvābhyām	duradhyeyatvebhyaḥ
Genitive	duradhyeyatvasya	duradhyeyatvayoḥ	duradhyeyatvānām
Locative	duradhyeyatve	duradhyeyatvayoḥ	duradhyeyatveṣu

Compound duradhyeyatva -

Adverb -duradhyeyatvam -duradhyeyatvāt