The term 'KIND OF MATTER' can be broken down into two crossword solutions: ANTI (4 letters) and PRINTED (7 letters). ANTI refers to something that is opposed or against something else, while PRINTED refers to the process of reproducing text or images using a machine. In the context of matter, ANTI could refer to antimatter, which is a type of matter composed of particles with the same mass as regular particles but with opposite charges. PRINTED could refer to PRINTED matter, which is any material that has been reproduced using a printing press or other printing device.