Declension table of ?duradhyaya

Neuter	Singular	Dual	Plural
Nominative	duradhyayam	duradhyaye	duradhyayāni
Vocative	duradhyaya	duradhyaye	duradhyayāni
Accusative	duradhyayam	duradhyaye	duradhyayāni
Instrumental	duradhyayena	duradhyayābhyām	duradhyayaiḥ
Dative	duradhyayāya	duradhyayābhyām	duradhyayebhyaḥ
Ablative	duradhyayāt	duradhyayābhyām	duradhyayebhyaḥ
Genitive	duradhyayasya	duradhyayayoḥ	duradhyayānām
Locative	duradhyaye	duradhyayayoḥ	duradhyayeṣu

Compound duradhyaya -

Adverb -duradhyayam -duradhyayāt