rudiment：雏形，萌芽，基本原理，基础

rude,原始的，-ment,名词后缀。引申诸相关词义。

• revisionism
• revisit
• revitalize
• revival
• revive
• revivify
• revocable
• revocation
• revoke
• revolt
• revolting
• revolution
• revolutionary
• revolve
• revolver
• revue
• revulsion
• reward
• rewarding
• rewind
• rewire
• reword
• rework
• rewrite
• rex