inchastity
Absence of chastity; the quality of being unchaste.
countable, rare, uncountable
The relevant Qur’anic verse (Ayât) is very similar to the English law on slander per se and the imputation of inchastity for women.
Where it comes from
From in- + chastity: compare French inchasteté.
Adapted from the Wiktionary entry inchastity (CC BY-SA 4.0).