YES

# almost development closedness (van Oostrom 1997)

Consider the left-linear TRS R:

  +(x,y) -> +(y,x)
  *(+(x,y),z) -> +(*(x,z),*(y,z))
  *(+(y,x),z) -> +(*(x,z),*(y,z))

R is left-linear and every critical pair is almost development closed