The best replacement for circle is square.

The best alternatives to circle are rated as following:
★★★★★  square
★★★★  ellipse
★★  sphere
★★  roundabout
★  oval
★  triangle
★  ab coaster
★  cycle
★  stalls
★  square area
★  line on
★  vicious cycle
★  tool
★  travis
  starstruck
  rhumb line
  an ellipse
  washington park
  ladies home journal
  aryan brotherhood
  ab glider
  straight line
  closed circle
  zopa
  diameter
  rectangle
  coven
  circle
  encircle
  open circle
  circumference
  pride

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

Other search terms related to circle and their ratings are:
★★★★★ triangle
★★★★ cross
★★★ pi
★★ lock on iphone
★ tangent
★ arrow
★ a
★ slash symbol
★ star
white x
crosshairs symbol
lightning bolt logo
two lines symbol
plus sign
v
arrow blackberry
r logo
You have in mind a companion for circle and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of circle in all years. Click on graph for more.
circle
square
ellipse