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。

• solicitude
• solid
• solidarity
• solidify
• solidity
• solidus
• soliloquy
• solipsism
• solipsistic
• solitaire
• solitary
• solitude
• solo
• soloist
• Solomon
• solstice
• solubility
• soluble
• solution
• solvate
• solve
• solvency
• solvent
• solver
• soma