Letter Toolbox

9-letter words ending in RUM

Every match in the dictionary, most common first.

9-letter words 6

  • conundruma difficult problem
  • antiserumblood serum containing antibodies against specific antigens; provides immunity to a disease
  • colostrummilky fluid secreted for the first day or two after parturition
  • pyrethrummade of dried flower heads of pyrethrum plants
  • claustruma layer of grey matter in the brain adjacent to the lenticular nucleus
  • indecoruma lack of decorum