<p> Topic: Prefixes Group: 1</p><p>Prefix Meaning Key Word(s) 1. a-, ab-, abs- away, from absent, abstinence 2. ad-, a-, ac-, af-, ag-, ar-, at- to, toward adhere, annex, accede, as- adapt 3. anti- against antifreeze, antisocial 4. bi-, bis two bicycle, biped, bisect 5. circum- around circumference 6. com-, con together, with combination, connect 7. de- opposite, away, from detract, defer, demerit, defrost 8. dis-, dif-, di- apart, not disperse, different 9. en-, em- cause to encode, embrace 10. epi- upon, on top of epicenter</p><p>Topic: Prefixes Group: 1</p><p>Prefix Meaning Key Word(s) 1. a-, ab-, abs- away, from absent, abstinence 2. ad-, a-, ac-, af-, ag-, ar-, at- to, toward adhere, annex, accede, as- adapt 3. anti- against antifreeze, antisocial 4. bi-, bis two bicycle, biped, bisect 5. circum- around circumference 6. com-, con together, with combination, connect 7. de- opposite, away, from detract, defer, demerit, defrost 8. dis-, dif-, di- apart, not disperse, different 9. en-, em- cause to encode, embrace 10. epi- upon, on top of epicenter</p>