Compounds of ずい

• えずい
  (adj-i) (1) unpleasant
  uncomfortable
  (2) frightening
  (3) cruel
  rude
  violent
  wild
• むずい
  (adj-i) (abbr) difficult
• 恥ずい
  (adj-i) (col) (abbr) embarrassing
• 気まずい
  (adj-i) (uk) unpleasant
  awkward
• 紅ずいき
  (n) red taro stems
  red aroid
• 肥後ずいき
  (n) dried giant elephant ear stem from Higo province (eaten or used as a sex aid)
• 骨のずいまで
  (exp) to the core (lit: to the marrow)
  to the bone