The best replacement for volume is mass.

The best alternatives to volume are rated as following:
★★★★★  mass
★★★★★  pressure
★★★  capacity
★★★  weight
★★★  issue
★★★  temperature
★★★  area
★★  partition
★★  volumn
★★  surface area
★★  density
★  intensity
★  gain
★  level of activity
★  temperature graph
★  pressure graph
★  open interest
  edition
  volumes
  sphere
  shape
  market cap
  1/pressure
  lun
  low open interest
  audyssey
  primary partition
  temperature at constant pressure
  variable volume
  rectangular prism
  pitch
  activity level
  cylinder
  boot volume
  high pressure oil pump
  temperature of a gas at constant pressure
  quantity
  alcohol by weight
  pressure fire pump
  loudness
  shear volume
  ejection fraction

Your alternative for volume is not listed? Suggest!
Speaking about volume, one probably shouldn't forget about density and mass.

Other search terms related to volume and their ratings are:
★★★★★ density and mass
★★★★★ frizz
★★★★★ density
★★★ blow drying
★★ flat iron
★★ depth
★★ mass
★★ blowdrying
★ mass and density
★ height
You have in mind a companion for volume and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of volume in all years. Click on graph for more.
volume
mass
pressure