Compounds of ぼや

• ぼやく
  (v5k,vi) to grumble
  to complain
• ぼやかす
  (v5s,vt) to make ambiguous
• ぼやける
  (v1,vi) to become dim
  to become blurred
  (P)
• ぼやっと
  (adv,vs) (on-mim) absentmindedly
  dazedly
  vaguely