Subtle Distinction is a term used to describe a small but important difference between two things. The crossword solutions for this term are NICETY (6 letters), NUANCE (6 letters), and Fineline (8 letters). NICETY refers to a small detail or distinction, NUANCE is a subtle difference in meaning or opinion, and Fineline is a very thin line that separates two things. All three words refer to the concept of Subtle Distinction, which is a small but significant difference between two things.