Malformation is a term used to describe an ABNORMALITY in the shape or structure of an organism. It can be caused by genetic mutations, environmental factors, or a combination of both. The crossword solutions for this term include ABNORMALITY (11 letters), DEFORMITY (9 letters), DISTORTION (10 letters), FREAK (5 letters), CONTORTION (10 letters), MONSTER (7 letters), and FLAW (4 letters). These words all refer to a physical ABNORMALITY that can range from minor to severe.