The best replacement for ppi is dpi.

The best alternatives to ppi are rated as following:
★★★★★  dpi
★★★★  cpi
★★★★  h2 blocker
★  h2
★  dpi photoshop
★  resolution
★  h2ra
★  h2 antagonist
★  lpi
  viewing distance
  phi
  dpi android
  franking
  ppd
  proton pump inhibitor
  ranitidine
  pii
  dpi conversion
  effective ppi
  dpi resolution
  histamine blocker
  300 ppi
  low ppi
  cpi inflation
  h2 blockers
  core ppi
  ppc
  antacid

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

Other search terms related to ppi and their ratings are:
★★★★★ nsaid
★★★★★ plavix
★★★ clopidogrel
★★★ least interaction with plavix
★ h2 blockers
arrears
You have in mind a companion for ppi and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of ppi in all years. Click on graph for more.
ppi
dpi
cpi