worse: (adjective) of lower quality; more serious; more severe; not as good; (adverb) more seriously; more severely; less satisfactorily; (noun) a more serious or more severe situation
worst: (adjective) of the least quality; most serious, most severe; (adverb) the most seriously; the most severely; the least satisfactorily; (noun) the most serious, severe, or unsatisfactory
wurst: (noun) sausage from Germany or Austria