The term 'Tiny Speck' can be broken down into four crossword solutions: MOTE (4 letters), PARTICLE (8 letters), DOT (3 letters), and IOTA (4 letters). A MOTE is a very small PARTICLE of dust, dirt, or other matter. A PARTICLE is a minute amount of something, such as a grain of sand or a drop of liquid. A DOT is a small round mark, usually used to indicate a point in space or on a surface. An IOTA is an extremely small amount of something, often used to refer to a tiny amount of difference between two things. Together, these four words describe a very small speck of something.