rul·er 
(rlər)
(rlər)n.
1. One, such as a monarch or dictator, that rules or governs.
2. A straightedged strip, as of wood or metal, for drawing straight lines and measuring lengths. Also called rule.
ruler·ship′ n.
- irreligion
- irreligious
- irreligiously
- irreligiousness
- irremeable
- irremediable
- irremediably
- irremissibility
- irremissible
- irremissibly
- irremovability
- irremovable
- irremovably
- irreparability
- irreparable
- irreparableness
- irreparably
- irrepealable
- irreplaceability
- irreplaceable
- irreplaceableness
- irreplaceably
- irrepressibility
- irrepressible
- irrepressibleness