10-Letter Words Starting S & Ending UM

• a second-rate prize fighter

• an awkward stupid person

• an insubstantial or vague semblance

• a representation of a person (especially in the form of sculpture)

• organ containing or producing spores

• a transuranic element with atomic number 106

• a surface on which an organism grows or is attached

• any stratum or layer lying underneath another

• an indigenous language that contributes features to the language of an invading people who impose their language on the indigenous population

• The jimsonweed plant

• A narcotic drug obtained from the dried leaves of this plant.