The English word 'swear' has several uses: 1: promise solemnly; take an oath; 2: to declare or affirm solemnly and formally as true; 3: have confidence or faith in; 4: make a deposition; declare...
It is a collection of word(s) that have a bad connotation in a select society. i.e. if you say that word(s) the people around you will look down at you. Most swear words have a background story that...