The term 'not so rough' can be described by the following crossword solutions: EASY (4 letters), softer (6 letters), GENTLER (7 letters), FINER (5 letters), and EASIER (6 letters). These words all describe something that is not as harsh or difficult as something else. EASY implies that it is simple to do, softer suggests that it is less intense, GENTLER implies that it is more delicate, FINER indicates that it is of a higher quality, and EASIER implies that it is less challenging. All of these words together suggest that the term 'not so rough' is referring to something that is not as difficult or intense as something else.