2.3 Verbs with a stem in ending in -ß

These include beißen (to bite), büßen (to atone, to pay for), einflößen (to instil into someone), entblößen (to expose), fließen (to flow), fußen (to be based on), grüßen (to greet), heißen (to be called), mutmaßen (to conjecture), rußen (to smoke, to produce soot), schweißen (to weld), spaßen (to joke), süßen (to sweeten).