Declension table of ?jīrṇatva

Neuter	Singular	Dual	Plural
Nominative	jīrṇatvam	jīrṇatve	jīrṇatvāni
Vocative	jīrṇatva	jīrṇatve	jīrṇatvāni
Accusative	jīrṇatvam	jīrṇatve	jīrṇatvāni
Instrumental	jīrṇatvena	jīrṇatvābhyām	jīrṇatvaiḥ
Dative	jīrṇatvāya	jīrṇatvābhyām	jīrṇatvebhyaḥ
Ablative	jīrṇatvāt	jīrṇatvābhyām	jīrṇatvebhyaḥ
Genitive	jīrṇatvasya	jīrṇatvayoḥ	jīrṇatvānām
Locative	jīrṇatve	jīrṇatvayoḥ	jīrṇatveṣu

Compound jīrṇatva -

Adverb -jīrṇatvam -jīrṇatvāt