The best replacement for zero is o.

The best alternatives to zero are rated as following:
★★★★★  o
★★  diet coke
★★  x
★★  megaman
★★  kaname
★★  krieg
★  scorpion
★  kira
★  one regex
★  brita
★  wildcat
★  bass
★  link
★  cero
★  undefined slope
★  diet
★  first order kinetics
★  letter o
★  one
★  spitfire
  maya
  axton
  krieg melee
  hellcat
  f4f
  perversion
  epyon
  brammo
  coke
  ultraman belial
  undefined
  natsu
  megaman zero
  liebherr
  source
  gaige
  darclops zero
  null
  salvador
  liu kang
  omega zero
  pepsi max
  plan b
  diet sprite
  mustang
  m3ds real
  hero
  reptile
  edge pro
  naught
  root
  protoman

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

Other search terms related to zero and their ratings are:
★★★★★ line
★★★ slash font
★★ exponent
an exponent of zero
You have in mind a companion for zero and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of zero in all years. Click on graph for more.
zero
o
diet coke