Leás-ness

According to the Old English Dictionary:

e;

leás-ness

f. Levity, fickleness; falseness, lying :-- Þurh leásnesse per mendacium, Confess. Peccat. Ðæt ic swá wǽre álýsed fram ðære scylde ðære swýðe ídlan leásnesse ut sic absolvar reatu supervacuæ levitatis, Bd. 4, 19; S. 589, 30. leas-ness