Morpheme
Neighbo(u)r
Type
free base
Denotation
one who lives near another
Etymology
Middle English neyghebour, neighebor, neighbour, neihebur; Old English nēahġebūr
Evidence
neighbor, neighborhood, neighborliness, neighborly, neighbors, neighbour, neighbourhood, neighbourliness, neighbourly, neighbours
Notes
neighbor preferred American English spelling, neighbour preferred British English spelling