Odd one out

Odd one out:
1.come                         month                      mother                      open        
2.hope                         homework               one                            post    
3.brother                     judo                          going                         rode
4.cities                        watches                    dishes                       house
5.gradpents                brothers                    uncles                       fathers
6.books                      walks                        rooms                         pillows
7.finger                       leg                            neck                           elbow
8.writes                      makes                       takes                          dries
9.request                   peoject                      neck                            exciting
10.Thursday             thanks                        these                           brithday             
11.toilet                      library                         kitchen                        bedooms
12.sofa                  dish washer                  cupboard                     sink
13.aperment          villa                               silt house                    living room   
14.acttic                 apartment                     kitchen                        living room     
15.television            cook                            fridge                          cooker