"softness, smoothness, mildness," early 15c., from Old French lénité or directly from Latin lenitatem (nominative lenitas) "softness, smoothness, gentleness, mildness," from lenis "soft, mild" (from PIE root *lē- "to let go, slacken").
lenience
leniency
lenient
Lenin
lenitive
lenity
Lennon
lens
Lent
Lenten
lenticular