Answer:
Acri: bitter (acrid, acrimony, acridity)
Astro: star (astronaut, astronomy, astrophysics)
Aud: hear (audience, audible, audio)
Auto: self (autonomy, autocrat, automatic)
Bene: good (benefactor, benevolent, beneficial)
Carn: flesh (carnal, carnivorous, reincarnate)
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