Often originally French
analogue (US analog)
brogue
catalogue (US catalog)
colleague
demagogue
dialogue (US dialog)
epilogue (US epilog)
fatigue
fugue
ideologue
intrigue
langue d’oc
league
monologue
morgue
pedagogue
plague
Prague
prologue
rogue
synagogue
The Hague
travelogue
vague
vogue
Are the words in alphabetical order?
Yes