Latin roots

Latin prefixes
100
crescent
What is moving or growing
100
proceed
What is going forward?
200
incognito
What is preventing someone from recognizing you?
200
nonproductive
What is not being productive?
300
fluent
What is speech that flow effortlessly?
400
fratricide
What is the killing of one's brother?
500
benefactor
What is a person who does good deeds for others?
M
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