The List
There are 138 5 letter words with G as the last letter. The highest scoring is SQUEG at 15 points in Scrabble.
ACINGAGINGAHINGAKINGALANGALMUGALONGAMONGAPINGAWINGAXINGBEFOGBEINGBEWIGBHANGBLINGBOINGBOONGBOURGBRINGBRUNGCHANGCLANGCLINGCLUNGCOHOGCOLOGCRAIGCUINGDEBAGDEBUGDEFOGDERIGDOINGDROOGDUINGDWANGDYINGEHINGEKINGEMBOGEMONGENNOGERINGEXINGEYINGFLINGFLONGFLUNGGLOGGGOINGGULAGHOINGHYINGHYLEGICINGINCOGIRINGKAINGKIANGKLANGKLIEGKLONGKRANGKRENGKYANGLIANGLOLOGLYINGMOONGNYINGOBANGOFLAGOHINGOPINGORANGOWINGPHANGPIINGPIROGPLINGPLONGPRANGPRONGREJIGRENIGREPEGRERIGRETAGROLAGRUINGSCOOGSCOUGSCRAGSCROGSHRUGSKEGGSLANGSLINGSLUNGSPANGSPEUGSPLOGSPRAGSPRIGSPROGSPRUGSQUEGSTAIGSTANGSTINGSTONGSTRAGSTRIGSTUNGSUINGSWANGSWINGSWUNGTHANGTHINGTHONGTOINGTWANGTYINGUNBAGUNDUGUNGAGUNPEGUNRIGUSINGVYINGWHANGWRANGWRINGWRONGWRUNGYOUNG