False show is a term used to describe an ACT or PRETENSE that is not genuine. The four crossword solutions for this term are SHAM (4 letters), PRETENCE (8 letters), PRETENSE (8 letters), ACT (3 letters), and ATT (3 letters). SHAM is a noun meaning a thing that is not what it appears to be, while PRETENCE and PRETENSE are both nouns meaning an ATTEMPT to make something appear to be true when it is not. ACT is a verb meaning to do something, and ATT is an abbreviation of the word 'ATTEMPT'.