8-Letter Words Containing: O,R,I,O

• protozoa characterized by a pseudopod

• a spicy Spanish pork sausage

• the line at which the sky and Earth appear to meet

• the range of interest or activity that can be anticipated

• a specific layer or stratum of soil or subsoil in a vertical cross section of land

• the great circle on the celestial sphere whose plane passes through the sensible horizon and the center of the Earth

• add color to

• equip with a motor vehicle

• equip with a motor

• equip with armed and armored motor vehicles

• To add an odorant to (especially a gas, so that leaks can be more easily detected).

• Modified by addition of an odorant

• To give something (or someone) the characteristics of a robot.

• To automate, especially by making use of robots.

• a boy who sings in a choir