PREFIX
con- with, together
dis- apart, opposite of
ultra- beyond
uni- one

ROOT
son sound
tort twist

SUFFIX
-ance state, quality, act
-ic like, related to
-ion state, quality, act

WORDS AND DEFINITIONS
dissonance - lack of harmony; discord
ultrasonic - related to a frequency of sound vibrations beyond the normal hearing range; high in frequency
unison - as one voice
contortion - a twisted shape or position
distort - to alter the shape or condition of