The crossword solution for the term SUFFIX WITH PUZZLE is MENT, which is a four-letter word. The suffix 'ment' is a common ending for many English words and is used to indicate an action or state of being. It is often used to create nouns from verbs, such as 'ENJOYMENT' from 'ENJOY'. It is also used to create adjectives from nouns, such as 'MANAGEABLE' from 'MANAGE'. In this case, the suffix is used to create a compound word, 'PUZZLEMENT', which refers to the act of puzzling over something.