1. Used to make nouns meaning killing of someone or something 
2. Used to make nouns meaning someone or something that kills

Encyclopedia: -cide

• release number
• releaser
• releasing
• releasing factor
• releasing hormone
• relegate
• relegating
• relegation
• relent
• relentless
• relentlessly
• relentlessness
• relevance
• relevancy
• relevant
• relevantly
• reliability
• reliable
• reliableness
• reliably
• reliance
• reliant
• relic
• relict
• relief