Compounds of 頽

• 衰頽
  (n,vs) decline
  decadence
  waning
  ebb tide
• 廃頽
  (n,vs) decay
  decadence
• 頽勢
  (n) one's declining fortunes
  decay
• 頽唐
  (n) decadence
  decline
• 頽廃
  (n,vs,adj-no) degeneration
  decadence
  deterioration
  laxness
  corruption
• 頽齢
  (n) declining years
• 胡頽子
  (n) (uk) oleaster (any plant of genus Elaeagnus)
  silverberry (US)
• 頽れる
  (v1,vi) to collapse (physically or emotionally)
  to fall down
• 頽れる
  (v1,vi) to go out of use
  to become obsolete
  to die out
  to go out of fashion
• 夏胡頽子
  (n) (uk) goumi (species of oleaster, Elaeagnus multiflora)
  cherry silverberry
• 人倫頽廃
  (n) decline (decay, corruption) of ethical standards
• 唐胡頽子
  (n) (uk) Elaeagnus multiflora var. hortensis (variety of goumi)
• 風紀頽廃
  (n) decay (decline, corruption) of public morals
  moral decadence
• 苗代胡頽子
  (n) (uk) silverthorn (species of oleaster, Elaeagnus pungens)
  thorny elaeagnus
  thorny olive