Using all letters

                                                                           illegalizing

                                                                            legalizing

                                                                          The other words:

                                                                               agaze

                                                                             agnizing

                                                                              azalea

                                                                               azine

                                                                              elegize

                                                                             elegizing

                                                                              gazelle

                                                                              gazing

                                                                               glaze

                                                                              glazing

                                                                            illegalize

                                                                              lazing

                                                                             legalize

                                                                              zagging

                                                                               zazen

                                                                              zenana

                                                                              zigging

                                                                              zigzag

                                                                            zigzagging

                                                                              zinging

                                                                              zinnia

                                                                              zizzle

                                                                             zizzling