Compounds of や

• 箪笥の肥やし
  (exp) unused things (esp. clothing)
  objects bought but never used
• 着くやいなや
  (exp) ... had hardly arrived before ...
• 貯金を殖やす
  (exp) to increase one's savings
• 闘志を燃やす
  (exp) to burn with combativeness
• 得たりや応と
  (exp) readily
  very eagerly
  without moment's hesitation
• 分かりやすい
  (adj-i) easy to understand
• 約束をやぶる
  (exp) to break a promise
  to go back on one's word
  to renege
• 冷や飯を食う
  (exp) (1) to depend on somebody for food and lodging
  (2) to be treated coldly
  to be kept in a low position
• 恋のさやあて
  (exp) rivalry for the heart of a woman
• 和やかな家庭
  (n) harmonious (happy) family
• いつの間にやら
  (n) unawares
  unnoticed
  before you know it
• ちっとやそっと
  (exp) small amount
  bit
  smidgen
• ちょい悪おやじ
  (n) (col) older and fashionable man (wild-looking, burly, etc.)
• どさ回りをやる
  (exp) to go on tour
  to be on the road (e.g. theatre troupe) (theater)
• やきもちを焼く
  (exp,v5k) to be jealous
• やきもちを妬く
  (exp,v5k) to be jealous
• やっとこまかせ
  (n) yell made when starting to move something
  grunt
• やっとの思いで
  (exp,adv) finally
  after great pains
• インテリやくざ
  (n) intellectual-type gangster
• 一からやり直す
  (exp) to sweep the slate clean
  to start again from the beginning
  to do it all over again
• 一昨日来やがれ
  (exp) (sl) Don't you ever come here again!
• 横やりを入れる
  (exp,v1) to interrupt
  to butt in
• 何やら彼にやら
  (n) this and that
• 何をか言わんや
  (exp) what more can one say?
  to be utterly at a loss for words (because of disbelief or disgust)
• 何時の間にやら
  (n) unawares
  unnoticed
  before you know it
• 可及的速やかに
  (adv) as soon as possible
  ASAP
• 悔やまれる失策
  (n) regrettable misstep
• 言うにやおよぶ
  (exp) (arch) it is needless to say
• 旨くやって行く
  (exp) to get along well with
  to make a go of it
• 食うや食わずの
  (exp) (living) from hand to mouth
  living on the fringe of subsistance