Compounds of おば

• あおば
  (n) (obs) (former) regular (stops at every station) Touhoku-line Shinkansen
• おばこ
  (n) (col) virgin
• おばはん
  (n,adj-na) (1) (ksb:) aunt
  (2) middle-aged lady
• おばたりあん
  (n) (col) generally obnoxious middle-aged woman (from aunt and battalion)