The best replacement for plums is prunes.

The best alternatives to plums are rated as following:
★★★★★  prunes
★★  dates
★  dried prunes
★  damsons
★  peaches
★  plumbs
★  blueberries
★  damson plums
★  nectarines
  black plums
  plums
  prune
  apricots
  purple plums
  red plums

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

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



Google Trends

Scale is based on the average worldwide traffic of plums in all years. Click on graph for more.
plums
prunes
dates