Answer: common

AnswerCrossword Clue
COMMONPlain
commonto board (to supply food and lodging for a fee) / ordinary (quite usual, also ORDINAR)
commonordinary
commonvulgar
commonarea of public land
commonbelonging to or shared by all
commonshared equally
commonwidespread
COMMONSeen a lot
COMMONGarden-variety
COMMONLike the name Nguyen in Vietnam
COMMONBoston...
COMMONUndistinguished
COMMONPaine's sense
COMMONBoston ..., first public park in U. S.
COMMONFamiliar.
COMMONSeen all the time
COMMONRun-of-the-mill
COMMONDime-a-dozen
COMMONProvincial
COMMONOrdinary
COMMONLike some interests
COMMONBoston ..