The best replacement for lbm is lbf.

The best alternatives to lbm are rated as following:
★★★★★  lbf
★★★  lb
★★★  slug
★★★  diarrhea
★  lbs
★  loose bowel movement
★  loss bowel movement
  body weight

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

Other search terms related to lbm and their ratings are:
★★★★★ hyperacidity
You have in mind a companion for lbm and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of lbm in all years. Click on graph for more.
lbm
lbf
lb