These verbs include ächzen (to groan), beizen (to steep, to treat), beschmutzen (to make dirty), blitzen (to flash), duzen (to say "du" to someone), ergänzen (to complete), faulenzen (to laze about), geizen (to be miserly), glänzen (to gleam, to shine), grenzen (to border), heizen (to heat), hetzen (to hound), jauchzen (to cheer), krächzen (to croak), kratzen (to scratch), kreuzen (to cross), kürzen (to shorten), lechzen (to pant), nutzen (to be of use, to use), pflanzen (to plant), platzen (to burst), putzen (to clean), reizen (to irritate, to stimulate), schätzen (to estimate), scherzen (to joke), schluchzen (to sob), schmerzen (to hurt), schnalzen (to crack, to click), schnäuzen (to blow one's nose), schnitzen (to cut), schützen (to protect), schwärzen (to blacken), schwatzen (to chatter), schwitzen (to sweat), setzen (to put), seufzen (to groan), siezen (to say "Sie" to someone), spitzen (to sharpen), spritzen (to inject), strotzen (to be full), stützen (to support), stutzen (to trim; to hesitate), tanzen (to dance), trotzen (to defy), verletzen (to injure), verschmutzen (to pollute), wälzen (to roll, to writhe), würzen (to spice).