14-Letter Words Containing: D,U,R,I,O,N,S,_

• not occurring together

• one part in a quadrillion equal parts

• the ordinal number of one quadrillion in counting order

• an adventurer (especially one who led the Spanish conquest of Mexico and Peru in the 16th century)

• the act of making a piece of equipment rugged (strengthening to resist wear or abuse)

• restricted to the geographic area under a particular jurisdiction

• in a discouraging manner

• not able to be ascertained; resisting discovery