The best replacement for stuff is staff.

The best alternatives to stuff are rated as following:
★★★★★  staff
★★★  stuffs
★★  maxim
★★  things
★★  samples
★★  stuff
★  roll sleeping bag
★  roll tent
★  world hold on
★  fold tent
★  mbrp
★  coupons
★  substring
★  green stuff
★  body solid
  hawk hps
  free samples
  these stuff
  wrong stuff
  grey stuff
  regular oreos
  gitzo
  hoist
  fhm
  fluff
  nz herald
  maxim magazine
  markins

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

Other search terms related to stuff and their ratings are:
★★★★★ surveys
★★★ completing offers
★ coupons
You have in mind a companion for stuff and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of stuff in all years. Click on graph for more.
stuff
staff
stuffs