The best replacement for size is size on disk.

The best alternatives to size are rated as following:
★★★★★  size on disk
★★★  california king
★★★  sized
★★  strength
★★  queen size
★★  viewing distance
★★  weight
★  amps
★  scale
★  height
★  distance
★  room size
★  full size
★  queen size bed
★  resolution
★  shoe size
★  queen
  inseam
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  california king size
  amperage
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  current rating
  tv size
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  size
  size on disc
  length
  life sized
  cal king
  a4

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

Other search terms related to size and their ratings are:
★★★★★ strength
★★★ standard deviation
★ ruler
You have in mind a companion for size and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of size in all years. Click on graph for more.
size
size on disk
california king