A monogram is a motif made by overlapping or combining two or more letters to form one symbol. The term 'monogram part' refers to the individual letters that make up the monogram. In this case, the crossword solution for the term 'monogram part' is the word 'INITIAL, ' which is a seven-letter word. An INITIAL is a single letter that is used to represent a person's name, such as the first letter of a person's first, middle, and last name. Initials are often used to create monograms, which are symbols that represent a person or organization.