Everyone and everybody are interchangeable, as are no one and nobody, and someone and somebody. Care should be taken to distinguish between everyone as a single word and every one as two words, the latter form correctly being used to refer to each individual person or thing in a particular group: every one of them is wrong Parkville Promise is a new sermon series and generosity initiative that invites everyone who calls Mountain their church home to join together in launching the future Parkville Campus.