KEY: Infest.
SYN: Trouble, harass, tease, annoy, pester, molest, plague, disturb.
ANT: Comfort, gratify, regale, refresh.

• Reflect
• Reflection
• Reform
• Reformation
• Refraction
• Refractory
• Refragable
• Refrain
• Refresh
• Refreshment
• Refuge
• Refund
• Refuse
• Refuse \v
• Refutable, [See REFRAGABLE]
• Refute
• Regain
• Regal \a
• Regale
• Regarding
• Regardless \a
• Regards
• Regard \v
• Regenerate
• Region