IT'S UNDERFOOT is a phrase that refers to something that is close by and easily accessible. The crossword solutions for this phrase are SOLE (4 letters), FLOOR (5 letters), and INNERSOLE (9 letters). SOLE is the bottom of a shoe, FLOOR is the surface of a room, and INNERSOLE is the cushioning layer inside a shoe. Together, these three words describe something that is close by and easily accessible, which is the meaning of the phrase IT'S UNDERFOOT.