7-Letter Words with A,I,M,R,S,U

• nobleman (in various countries) ranking above a count

• humorist who wrote about the imaginary life of cockroaches (1878-1937)

• a soft silvery metallic element of the alkali earth group; found in barite

• an intensely radioactive metallic element that occurs in minute amounts in uranium ores

• a Japanese warrior who was a member of the feudal military aristocracy

• feudal Japanese military aristocracy

• A central room or space in ancient Roman homes, open to the sky in the middle; a similar space in other buildings.

• A square hall lit by daylight from above, into which rooms open at one or more levels.

• A cavity, entrance, or passage.

• Any enclosed sexine and nexine layers, widening toward the interior of the grain.

• accumulation in the blood of nitrogenous waste products (urea) that are usually excreted in the urine