subsonic

etymologically-related-terms

hypersonic

plasmasonic

supersonic

transonic

same-contexts

armor-piercing

bone-rattling

caseless

coffin-sized

deep-throated

etheric

glottal

higher-pitched

hollow-point

inaudible

infrasonic

low-frequency

near-light

six-syllable

sonic

sublight

subliminal

supersonic

torsional

ultrasonic

unleash