4 Verbs to Use for the Word leavens

Will this new leaven conquer, and cast out the stale leaven of Hellenism before it sours the loaf?

His troops, containing so large a leaven of the murderers of the Moravians, certainly showed small fighting capacity when matched against armed men who could defend themselves.

Lurking in its most innocent forms, the grim ascetic has affected to find a leaven of concupiscence, and whenever any reformation is afoot, it is always beauty that is made the first victim, whether it take the form of a statue, a stained-glass window, or a hair-ribbon.

It is indeed so much more common, as to seem the only proper mode of expression: as, "Do I say these things as a man?""Do you think that we excuse ourselves?""Do you not know that a little leaven leavens the whole lump?""Dost thou revile?" &c.

4 Verbs to Use for the Word  leavens