Sound-related is a term used to describe anything related to sound. The five crossword solutions for this term are SONIC (5 letters), TONAL (5 letters), PHONIC (6 letters), ACOUSTIC (8 letters), and AURAL (5 letters). SONIC refers to sound waves that travel through the air, while tonal refers to the pitch or frequency of a sound. Phonic relates to the production of sound by the human voice, while ACOUSTIC refers to the study of sound and its properties. Lastly, AURAL refers to the perception of sound by the ear.