Using all letters

                                                                            coffeehouse

                                                                           coffeehouses

                                                                          The other words:

                                                                              cheese

                                                                              cheeses

                                                                               chefs

                                                                               chess

                                                                              chesses

                                                                              choose

                                                                              chooses

                                                                               chose

                                                                              choses

                                                                               chuff

                                                                              chuffs

                                                                               cohos

                                                                              cohosh

                                                                             cohoshes

                                                                               cooch

                                                                              coshes

                                                                               couch

                                                                              couches

                                                                              echoes

                                                                               hocus

                                                                              hocuses

                                                                             hocusses

                                                                               hooch

                                                                              hooches

                                                                               hoofs

                                                                               hoses

                                                                               house

                                                                              houses

                                                                               huffs

                                                                              hushes

                                                                              ouches

                                                                              schuss

                                                                             schusses

                                                                               shoes

                                                                               shoos

                                                                               shush

                                                                              shushes