What is the plural of journey?

The plural form of "journey" is "journeys." The word "journey" is a countable noun, so when you are referring to more than one journey, you would use the plural form "journeys." For example, "I have been on many journeys in my life" or "The book recounts the various journeys taken by the protagonist." "Journeys" can refer to a series of trips or travels, whether physical or metaphorical.