The best replacement for quilt is comforter.

The best alternatives to quilt are rated as following:
★★★★★  comforter
★★★  coverlet
★★  blanket
★★  sleeping bag
★★  duvet
★  bedspread
★  comforter which is warmer
★  doona
★  bag
  quilt pro
  headline
  down comforter
  double wedding ring quilt
  duvet cover
  dpatch
  kilt
  mummy bag
  mummy sleeping bag
  hand quilt

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

Other search terms related to quilt and their ratings are:
★★★★★ binding
You have in mind a companion for quilt and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of quilt in all years. Click on graph for more.
quilt
comforter
coverlet