Compounds of く

• 元気よく
  (adv) cheerfully
  vigorously
• 元気付く
  (v5k) to get encouraged
  to become heightened in spirits
  to recover one's strength
• 元気良く
  (adv) cheerfully
  vigorously
• 言い開く
  (v5k,vt) to justify
  to explain
  to vindicate
• 言い置く
  (v5k,vt) to leave word
  to leave a message
• 言尽くす
  (v5s) to tell all
  to give a full account
• 限りなく
  (adv) without end
  exceedingly
• 限り無く
  (adv) without end
  exceedingly
• 古くさい
  (adj-i) stale
  old fashioned
  hackneyed
  trite
• 固くなる
  (v5r) to become stiff
  to tense
• 弧を描く
  (exp) to describe an arc
• 五寸くぎ
  (n) long nail
  spike
• 後へ引く
  (v5k) to retreat
  to recede
• 後へ退く
  (v5k) to retreat
  to recede
• 後を引く
  (exp,v5k) (1) to be moreish
  to have a quality that encourages you to eat (drink) more of them after
  (2) to have lingering effects
• 光り輝く
  (v5k,vi) to shine
  to glitter
  (P)
• 口をきく
  (exp) to speak
  to utter
  to mediate
• 口を開く
  (exp,v5k) to open one's mouth (to talk)
• 口を利く
  (exp) to speak
  to utter
  to mediate
• 喉が渇く
  (exp) to be thirsty
• 攻め抜く
  (v5k,vt) to attack persistently
• 考えつく
  (v5k,vt) to think of
  to come up with
• 考え抜く
  (v5k) to think thoroughly
• 考え付く
  (v5k,vt) to think of
  to come up with
• 荒くれ者
  (n) ruffian
  rowdy (person)
• 行き着く
  (v5k,vi) to arrive at
  to end up
• 行き着く
  (v5k,vi) to arrive at
  to end up
• 行き届く
  (v5k,vi) to be scrupulous
  to be attentive
  to be prudent
  to be complete
  to be thorough
  (P)
• 行き届く
  (v5k,vi) to be scrupulous
  to be attentive
  to be prudent
  to be complete
  to be thorough
• 行く行く
  (adv) (uk) on the way
  someday