Answer Key

Exercise

Fill in the right prefixes to make new adjectives (in-, il-, ir-, im-, un-, non-, dis-, ), to make new nouns (non-, dis-, mis-, co-, ex-, re-) and to make new verbs (over-, under-, en-, un-, de-, re-) or use the right suffixes and fill in the new adjectives, nouns and verbs.
  1. (nouns) defend –  [defendant, defender, defense] , brother –  [brotherhood] , hero –  [heroism, heroine] . 
  2. (adjectives) fortune –  [fortunate] ,consider –  [considerate, considerable] ,shock –  [shocking, shocked] .
  3.  [dis] loyal,  [un] believable,  [im] personal 
  4.  [in] convenient,  [im] practical,  [un] real 
  5. (adjectives): function –  [functional] , breath – [breathless] , month –  [monthly] .
  6.  [under, over] estimate,  [en, dis] courage,  [de] code 
  7. (adjectives) remark –  [remarkable] , logic –  [logical] ,importance –  [important] .
  8.  [il] legible,  [un] fair,  [ir] relevant 
  9.  [non] -believer,  [dis] appearance,  [dis] ability 
  10. (verbs): terror –  [terrorize, terrorise] , popular –  [popularize, popularise] , simple –  [simplify] . 
    11.