1. One year of age

See also: immature, young

• rule book
• rule in
• rule of cy pres
• rule of evidence
• rule of grammar
• rule of law
• rule of morphology
• rule of thumb
• rule out
• rule-governed
• ruled
• ruleless
• ruler
• rulership
• rules of order
• ruling
• ruling class
• ruly
• rum
• rum baba
• gin
• gin and it
• gin and tonic
• gin rickey
• gin rummy