Compounds of せこ

• せこい
  (adj-i) petty
  small-minded
  stingy
  cheap (as in cheap shot, cheating, skirting the rules, etc.)
• こせこせ
  (adv,n,vs) (on-mim) fussy
  make a big deal out of nothing
• 痩せこける
  (v1,vi) to get too skinny
• せせこましい
  (adj-i) (1) narrow
  limited
  (2) fussy