The term 'faint trace' can be broken down into six crossword solutions: GHOST (5 letters), TINGE (5 letters), HINT (4 letters), VESTIGE (7 letters), WISP (4 letters), and TINT (4 letters). GHOST is a term used to describe the soul of a deceased person, while TINGE is a slight shade of color. HINT is a subtle suggestion or clue, and VESTIGE is a small amount of something that remains from a past time. WISP is a thin strand of something, and TINT is a pale or faint color. All of these words together can be used to describe a faint trace, which is a very small or barely noticeable sign of something.