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。

• parishad
• parishioner
• parish-pump
• parity
• park
• parka
• parkade
• parkin
• parking
• Parkinson
• parkour
• parky
• parlance
• parlay
• parley
• parliament
• parliamentarian
• parliamentarism
• parliamentary
• parlor
• parlour
• parlous
• Parma violet
• Parmesan
• parochial