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

• one who reveals confidential information to the police or other authority

• (of a leaf or bean shape) resembling the shape of kidney

• a wilderness at the edge of a settled area of a country

• an international boundary or the area (often fortified) immediately inside the boundary

• an undeveloped field of study; a topic inviting research and development

• of or characteristic of low rank or importance

• of low or inferior quality

• written or printed below and to one side of another character

• having an orbit between the sun and the Earth's orbit

• one of lesser rank or station or quality

• a character or symbol set or printed or written beneath or slightly below and to the side of another character

• lower than a given reference point

• falling short of some prescribed norm

• instrumentalities (tools or implements) made of metal

• bristling with perplexities

• having or covered with protective barbs or quills or spines or thorns or setae etc.

• The process of modifying the bore of an engine.

• To bore through an existing hole, generally to correct its shape.