Mammoth Uncensored Word List:
37 words ending with bs, 9 letters long

aerobombs aldicarbs antisnobs backcombs backstabs bookclubs catacombs choliambs choriambs corncribs divebombs doorjambs doorknobs firebombs flaxcombs forelimbs golfclubs goosegobs hecatombs hindlimbs landgrabs memsahibs outclimbs outthrobs paintjobs peashrubs polycombs reabsorbs ringwombs sillabubs sillibubs spacelabs spareribs subshrubs syllabubs timebombs wellcurbs