Using all letters

                                                                            connective

                                                                            convection

                                                                            convective

                                                                            convenient

                                                                            convention

                                                                             eviction

                                                                           inconvenient

                                                                           nonconnective

                                                                          The other words:

                                                                               civet

                                                                               civic

                                                                             conceive

                                                                              connive

                                                                              convect

                                                                              convene

                                                                            convenience

                                                                              convent

                                                                              convict

                                                                            conviction

                                                                             convince

                                                                               coven

                                                                               covet

                                                                               envoi

                                                                               event

                                                                               evict

                                                                              evictee

                                                                              evince

                                                                             evincive

                                                                             incentive

                                                                             incitive

                                                                           inconvenience

                                                                             invective

                                                                              invent

                                                                             invention

                                                                             inventive

                                                                              invite

                                                                              invitee

                                                                              invoice

                                                                             nonevent

                                                                              novice

                                                                               ovine

                                                                              venice

                                                                               venin

                                                                              venine

                                                                              vincent

                                                                               vinic

                                                                               voice

                                                                              votive