Find the word whose underlined part is pronounced differently from the others

36. a. ground                  b. group                    c. house                  d. found

37. a. pollution               b. rubbish                  c. income                d. truck

38. a. church                  b. catch                     c. mechanic             d. kitchen

39. a. excellent                b. example                 c. exactly                 d. exhibit

40. a. teach                     b. great                      c. street                   d. Easter

41. a. nominate               b. pipe                       c. light                     d. buy

42. a. dictation                b. repetition               c. station                 d. question

43. a. chooses                 b. houses                   c. rises                    d. horses

44. a. hens                      b. hills                       c. riverbanks           d. shrines

45. a. shoot                     b. door                      c. more                    d. saw     

46. a. ancient                  b. celebrate                c. special                 d. ocean

47. a. though                  b. throughout            c. birthday              d. thought

48. a. earth                     b. northern                c. thunder               d. path

49. a. checking               b. chocolate               c. charity                 d. Christmas

50. a. happy                    b. hour                      c. high                    d. hotel