The best replacement for lh is rh door.

The best alternatives to lh are rated as following:
★★★★★  rh door
★★★  fsh
★★★  hcg
★★★  rh bow
★  lx
★  rh
★  rh thread
★  fsh ratio
★  rh door swing
  sx
  ld
  rh doors
  luteinizing hormone
  dgx

Your alternative for lh is not listed? Suggest!
Speaking about lh, one probably shouldn't forget about fsh.

Other search terms related to lh and their ratings are:
★★★★★ fsh
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lh
rh door
fsh