The best replacement for columns is rows.

The best alternatives to columns are rated as following:
★★★★★  rows
★★★  pillars
★★  pedestals
★  piers
★  rows first
★  posts
★  fields
★  more tables
★  more rows
★  editorials
★  packed columns
  open tubular columns
  post
  columns by rows
  tetris
  square
  aluminum columns
  capillary columns
  rows database
  rows difference
  round columns
  greek columns
  capillary

Your alternative for columns is not listed? Suggest!
Speaking about columns, one probably shouldn't forget about horses on top.

Other search terms related to columns and their ratings are:
★★★★★ horses on top
★★ table in html
★★ arches
★ glass shelves
★ div
You have in mind a companion for columns and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of columns in all years. Click on graph for more.
columns
rows
pillars