The term 'Similar Stuff' can be described by two crossword solutions: 'SUCH' (4 letters) and 'WHATNOT' (7 letters). Both words are informal terms used to refer to a variety of things, often of the same type. 'SUCH' is used to refer to something that is similar to something else, while 'WHATNOT' is used to refer to a miscellaneous collection of items. Together, they can be used to describe a group of similar items or objects.