• 剣けん

  sword (esp. a large, double-edged one), blade

• 剣士けんし

  swordsman, swordswoman, fencer

• 剣劇けんげき

  sword play, samurai drama

• 剣道けんどう

  kendo, Japanese martial art using bamboo swords

• 真剣しんけん

  serious, earnest

• 刀剣とうけん

  sword, dagger, knife, bayonet

• 剣奴けんど

  gladiator

• 剣舞けんぶ

  sword dance

• 剣帯けんたい

  sword belt

• 剣形けんがた

  sword shape

• 剣状けんじょう

  sword-shaped

• 剣身けんしん

  sword blade

• 剣匠けんしょう

  swordsmith

• 剣橋ケンブリッジ

  Cambridge

• 剣聖けんせい

  master swordsman

• 剣先けんさき

  point of a sword

• 剣技けんぎ

  sword skills, swordsmanship

• 剣尖けんせん

  tip of a sword, point of a sword

• 剣呑けんのん

  risky, dangerous, insecure

• 剣法けんぽう

  (art of) fencing, swordsmanship

• 剣豪けんごう

  great swordsman, master fencer

• 剣客けんかく

  master swordsman, skilled fencer

• 剣術けんじゅつ

  (art of) fencing, swordsmanship

• 剣山けんざん

  needle-point holder (in ikebana), frog

• 剣戟けんげき

  weapons, arms

• 剣璽けんじ

  sacred sword and jewels (imperial regalia)

• 剣幕けんまく

  threatening attitude, menacing look, angry look

• 剣光けんこう

  light emanating from a sword, shimmering of a sword

• 剣難けんなん

  (calamity of) perishing by the sword, being wounded by the sword

• 剣鬼けんき

  Sword Devil (collection of short stories by Renzaburō Shibata and 1965 film)

• 剣鉈けんなた

  sturdy broad-bladed knife, used in woodcraft and hunting (tapered, unlike a regular nata)

• 短剣たんけん

  short sword, dagger, stiletto

• 石剣せっけん

  sword-shaped stoneware found in archeological sites in eastern Japan dating to the end of the Jomon period

• 銃剣じゅうけん

  bayonet

• 名剣めいけん

  famous sword, excellent sword

• 洋剣ようけん

  Western sword (esp. sabre)

• 利剣りけん

  sharp sword

• 大剣たいけん

  large sword, long sword

• 撃剣げきけん

  fencing, kendo

• 魔剣まけん

  magic sword, cursed sword

• 長剣ちょうけん

  long sword

• 神剣しんけん

  divine sword (one of the three sacred treasures)

• 霊剣れいけん

  sword possessing mystical powers, virtuous sword

• 宝剣ほうけん

  treasured sword

• 着剣ちゃっけん

  fixing a bayonet

• 鉄剣てっけん

  iron sword

• 木剣ぼっけん

  bokken, wooden sword

• 抜剣ばっけん

  drawing one's sword

• 聖剣せいけん

  holy sword, sacred sword

• 懐剣かいけん

  dagger