1. WORD FORMATION PREFIXES

2. WORD FORMATION -PREFIXES arch-(chief) bi-(two) by-(secondary) cent-(one hundred) dis- (to indicate an opposite meaning) en-(to strengthen something) fore-(at the front, in advance) hyper-(too much) il-(to indicate an opposite meaning) inter- (between,among)

3. WORD FORMATION -PREFIXES ir-(to indicate an opposite meaning) mal-(badly, wrongly) mono-(one, single) neo-(modern, new) non-(not) oct-(eight) out-(better, more) post-(after) pseudo-(false) pre-(before, in advance)

4. WORD FORMATION -PREFIXES re-(again) un- (to indicate an opposite meaning) under-(below) uni-(one)

5. arch-(chief) arch-(chief) archangel archbishop archangel archbishop bi-(two) bi-(two) bicameral bicentenary bicycle bilingual bicameral bicentenary bicycle bilingual binoculars biped biplane bisect binoculars biped biplane bisect by-(secondary) by-(secondary) by-election by-product by-road by-election by-product by-road bystander by-way bystander by-way

6. cent-(one hundred) cent-(one hundred) centenarian centenary century centenarian centenary century dis- (to indicate an opposite meaning) dis- (to indicate an opposite meaning) disable disadvantage disagree disallow disable disadvantage disagree disallow disappear disapprove disarrange disbelieve disappear disapprove disarrange disbelieve disorder disqualify dissatisfy distrust disorder disqualify dissatisfy distrust en-(to strengthen something) en-(to strengthen something) enable encourage enforce enable encourage enforce enhance enlarge enrich enhance enlarge enrich

7. fore-(at the front, in advance) fore-(at the front, in advance) forearm forecast forecourt foredoom forearm forecast forecourt foredoom forefoot foreground forehead forefoot foreground forehead hyper-(too much) hyper-(too much) hyperactive hypertension hyperactive hypertension hypercritical hypersensitive hypercritical hypersensitive il-(to indicate an opposite meaning) il-(to indicate an opposite meaning) illegal illegitimate illiberal illegal illegitimate illiberal illimitable illiterate illogical illimitable illiterate illogical

8. im- (to indicate an opposite meaning) im- (to indicate an opposite meaning) imbalance immature immobile imbalance immature immobile immodest impolite impolitic impossible immodest impolite impolitic impossible in-(to indicate an opposite meaning) in-(to indicate an opposite meaning) inability inaccessible inadequate inability inaccessible inadequate incompatible incompetent incomplete incompatible incompetent incomplete incomprehensive inconvenient incorrect incomprehensive inconvenient incorrect indecent independent indigestion indecent independent indigestion indisputable indisputable

9. inter-(between,among) inter-(between,among) interact interbreed interchange interact interbreed interchange interchangeable intercom interdependent interchangeable intercom interdependent ir-(to indicate an opposite meaning) ir-(to indicate an opposite meaning) irrational irredeemable irreplaceable irrational irredeemable irreplaceable irresistible irreligious irremediable irresistible irreligious irremediable mal-(badly, wrongly) mal-(badly, wrongly) malcontent malformation malfunction malcontent malformation malfunction malnutrition malodorous malpractice malnutrition malodorous malpractice

10. mono-(one, single) mono-(one, single) monograph monolingual monologue monograph monolingual monologue monoplane monopoly monorail monoplane monopoly monorail monotone monotonous monotone monotonous neo-(modern, new) neo-(modern, new) neo-classical neo-colonialism neolithic neo-classical neo-colonialism neolithic neologism neophyte neologism neophyte non-(not) non-(not) non-aggression non-alignment nonconductor non-aggression non-alignment nonconductor nonconformist non-flammable non-member nonconformist non-flammable non-member non-profit-making non-resident nonsense non-profit-making non-resident nonsense

11. oct-(eight) oct-(eight) octagon octave octet/ octette octopus octagon octave octet/ octette octopus out-(better, more) out-(better, more) outbalance outdo outgrow outlive outbalance outdo outgrow outlive outplay outrank outrival outshone outplay outrank outrival outshone post-(after) post-(after) postgraduate posthumous post-modern postgraduate posthumous post-modern post-mortem postprandial post-war post-mortem postprandial post-war

12. pre-(before, in advance) pre-(before, in advance) pre-arrange precaution precondition pre-arrange precaution precondition predestinate predetermine preliminary predestinate predetermine preliminary pseudo-(false) pseudo-(false) pseudo-intellectual pseudonym pseudo-intellectual pseudonym pseudo-science pseudo-science

13. re-(again) re-(again) readjust rebirth rebound rebuild recall readjust rebirth rebound rebuild recall recollect reconsider recover/ recovery recollect reconsider recover/ recovery recurrent recycle redeem redo refill recurrent recycle redeem redo refill reform regain reform regain

14. un- (to indicate an opposite meaning) un- (to indicate an opposite meaning) unable unaffected unbearable unable unaffected unbearable unbelievable unborn unburden unbelievable unborn unburden uncertain unclear unclean undesirable uncertain unclear unclean undesirable uncomfortable unconditional undo uncomfortable unconditional undo undress unemployed unfair untie undress unemployed unfair untie

15. under-(below) under-(below) undercharge undercurrent underfoot undercharge undercurrent underfoot underdeveloped underestimate underdeveloped underestimate uni-(one) uni-(one) uniform unilateral unisex unison uniform unilateral unisex unison

16. THE END