The word 'nonsens' is often used to describe something that doesn't make sense or is absurd. There are plenty of synonyms that can be used in place of it, such as nonsense, drivel, gibberish, balderdash, utter nonsense, hogwash, twaddle, and poppycock. 'Rubbish', 'garbage', and 'tripe' are also good alternatives. Other words that can be used include 'foolery', 'tomfoolery', 'claptrap', and 'moonshine'. All of these words can be used in place of 'nonsens' to indicate that something is trivial, unimportant or without real value.