12-letter words containing r, a, m, b, o, u
- perambulator — baby carriage.
- rambunctious — difficult to control or handle; wildly boisterous: a rambunctious child.
- samurai bond — a bond issued in Japan and denominated in yen, available for purchase by nonresidents of Japan
- semiglobular — possessing the form of half a globe; hemispheric.
- sub-mortgage — a conveyance of an interest in property as security for the repayment of money borrowed.
- submicrogram — containing or relating to a mass of less than one microgram
- submolecular — of or relating to or caused by molecules: molecular structure.
- surmountable — to mount upon; get on the top of; mount upon and cross over: to surmount a hill.
- troublemaker — a person who causes difficulties, distress, worry, etc., for others, especially one who does so habitually as a matter of malice.
- uncomparable — capable of being compared; having features in common with something else to permit or suggest comparison: He considered the Roman and British empires to be comparable.
- unformidable — causing fear, apprehension, or dread: a formidable opponent.
- unreformable — not able to be reformed or reclaimed