Simmer

köcheln

((intransitive) to cook or undergo heating slowly)

köcheln

((transitive) to cause to cook or undergo heating slowly)

schwelen

((intransitive) to be on the point of breaking out into anger; to be agitated)

sieden

((intransitive) to cook or undergo heating slowly)

sieden

((transitive) to cause to cook or undergo heating slowly)

simmern

((intransitive) to cook or undergo heating slowly)