anti- (5 words)
Antisocial, antigravity, antibiotic, antidepressant and antifreeze
dis- [opposite of] (5 words)
Dislike, dishonest, distant, disagree and disappear
in- [not] (5 words)
Incorrect, inaccurate, inadequate, inability and incomplete
co- [with] (5 words)
Co-worker, copilot, cooperation, coexist and cosign
extra- [more than] (3 words)
Extracurricular, extraordinary and extra-terrestrial
fore- [before] (5 words)
Forecast, forehead, foresee, foreword and foremost
mi- [wrong] (5 words)
Misinterpret, misfire, mistake, misunderstand and misconduct
Mono- [singular] (5 words)
Monotone, monobrow, monolithic, monopoly and monolingual
non- [not; without] (5 words)
Nonsense, nonentity, nondescript, nonactive and nonexistent
sub- [under] (5 words)
Submerge, submarine, sub-category, subtitle and subconscious
trans- [across] (5 words)
Transport, transnational, transatlantic, transact and transform
un- [not] (5 words)
Unfinished, unfriendly, undone, unknown and unlike