Compounds of 原

• 原野
  (n) waste land
  wilderness
  moor
  field
  plain
  (P)
• 原薬
  (n) (bulk) drug substance
• 原油
  (n) crude oil
  (P)
• 原由
  (n) reason
  cause
• 原理
  (n) principle
  theory
  fundamental truth
  (P)
• 原料
  (n) raw materials
  (P)
• 原論
  (n) theory
  principles
• 語原
  (iK) (n) word root
  word derivation
  etymology
• 広原
  (n) wide plain or field
• 抗原
  (n) antigen
  (P)
• 荒原
  (n) wilderness
• 高原
  (n) tableland
  plateau
  (P)
• 国原
  (n) spacious country
• 根原
  (n,adj-no) root
  source
  origin
  foundation
  base
  principle
• 砂原
  (n) sandy plain
  desert
• 笹原
  (n) field of bamboo grass
• 山原
  (n) mountain areas of Kunigami County in Northern Okinawa
• 始原
  (n,adj-no) start
  origin
  beginnings
• 湿原
  (n) marshy grassland
  wetlands
  (P)
• 松原
  (n) pine grove
  (P)
• 雪原
  (n) snow field
• 川原
  (n) dry river bed
  river beach
• 川原
  (n) dry river bed
  river beach
  (P)
• 草原
  (n) grass-covered plain
  grasslands
  meadows
  savannah
  prairie
  steppe
• 草原
  (n) grass-covered plain
  grasslands
  meadows
  savannah
  prairie
  steppe
  (P)
• 中原
  (n) middle of a field
  middle of a country
  field of contest
  (P)
• 殿原
  (n) the nobility
  (polite for) man
• 奴原
  (n) they
  those guys
• 凍原
  (n) tundra
• 萩原
  (n) reedy field
  (P)