inselberg/ʹins(ə)lbuhg/ noun

• unreasonable
• unreasoning
• unreconstructed
• unregenerate
• unrelenting
• unreliable
• unremitting
• unremunerative
• unrepeatable
• unrepresentative
• unrequited
• unreserved
• unresponsive
• unrest
• unrestrained
• unrewarding
• unripe
• unrivalled
• unroll
• unruffled
• unruly
• UNRWA
• unsaddle
• unsafe
• unsaid