Swearing and cussing depend on TWO things:1. An offensive element to the word or phrase, commonest examples being a) BLASPHEMY (insulting use of the names of sacred gods, the gods' representatives,...
no!
cuss words are words that sound like bad words. here are some examples.Shut the front door! Son of a business man! holy crab!
Popular culture. Many words which once were acceptable (such as gay or fag) now have unacceptable meanings.