1. "a-/ab-": This prefix means "away from," "apart," "off." Examples: abnormal, absent, avert.
2. "ad-": This prefix means "to," "toward," "near." Examples: adhere, adjacent, advance.
3. "ambi-": This prefix means "both," "on both sides." Examples: ambidextrous, ambivalent, ambiguous.
4. "ante-": This prefix means "before," "in front of." Examples: antecedent, antechamber, anteroom.
5. "circum-": This prefix means "around," "encircling." Examples: circumnavigate, circumference, circumscribe.
6. "con-": This prefix has multiple meanings, including "together with," "completely," "opposite of." Examples: connect, concur, contradict.
7. "contra-": This prefix means "against," "opposite of." Examples: contradict, contraindicate, controversial.
8. "de-": This prefix has multiple meanings, including "down from," "away from," "completely," "reversal." Examples: descend, depart, decaffeinate.
9. "dis-": This prefix means "apart," "not," "opposite of." Examples: disagree, disapprove, disconnect.
10. "ex-": This prefix has multiple meanings, including "out of," "from," "former," "thoroughly," "completely." Examples: exit, ex-president, exhaustive.
11. "extra-": This prefix has multiple meanings, including "beyond," "outside," "extra," "additional." Examples: extraordinary, extraterrestrial, extracurricular.
12. "in-": This prefix has multiple meanings, including "in," "into," "within," "negative," "not," "opposite of." Examples: indoor, input, infamous.
13. "inter-": This prefix means "between," "among." Examples: interact, intercontinental, intervene.
14. "intra-": This prefix means "within," "inside." Examples: intracity, intramural, intravenous.
15. "mal-": This prefix means "bad," "ill," "wrong." Examples: malfunction, maltreat, malcontent.
16. "non-": This prefix means "not." Examples: nonsensical, nonrefundable, nonlinear.
17. "per-": This prefix has multiple meanings, including "through," "by," "thoroughly," "during." Examples: perennial, perpendicular, persuade.
18. "post-": This prefix means "after," "following." Examples: postdate, postcard, postgraduate.
19. "pre-": This prefix means "before," "in front of," "in advance." Examples: predict, precede, preheat.
20. "pro-": This prefix has multiple meanings, including "forward," "in favor of," "before." Examples: progress, promote, pronoun.
These are just a few of the many Latin prefixes used in English. Each prefix can have specific nuances of meaning, and some can have different meanings in different contexts.