[ ±firenian] (y) to sin: commit adultery; revile.
[ firenlic] (y) wicked. adv. -līce vehemently, rashly, Wald 120.
[ firenligerian] to commit fornication, RSPs 10539.
[ firenlust] m. lust, sinful desire, luxury, wantonness, AO, CP.
[ firenlustful] wanton, luxurious, A 12·50210.
[ firenlustgeorn] wanton, W 2535.
[ firensynnig] sinful, Cr 1379.
[ firentācnian] (y) to commit misdeeds, RHy 621.
[ firenðearf] (y) f. dire distress, B 14.
[ firenum] excessively, very, intensely: malignantly. [dp. of [firen]]