Crossword clues for Most common blood type 9 letters:OPOSITIVE*Most common blood type in the U.S.OPOSITIVEMost common blood type among U.S. residentsOPOSITIVECommon blood typeOPOSITIVEMost common blood typeAPOSITIVESecond most common blood typeOPOSITIVETHINKERPhilosopher with the most common blood type?APOSSecond most common blood type: Abbr.APOSCommon blood type, brieflyAPOSCommon blood type: Abbr.