The best replacement for shower is bath.

The best alternatives to shower are rated as following:
★★★★★  bath
★★★★  grower
★★★★  tub
★★★  rain
★★  bachelorette party
★  bathtub
★  bridal shower
★  bath water use
★  wedding shower
★  cold shower
★  bath water usage
★  shower
★  fiberglass
★  snow
★  tub in master bath
★  bath first
★  sauna
  drizzle
  bath uses more water
  eat first
  bath cleaner
  bath more water
  tub resale value
  hot shower
  sauna first
  tub water usage
  bath use more water
  wedding gift
  sprinkle
  bath less water
  light rain
  bucket bath
  cold shower which one is better
  bath which is cleaner
  taking a bath
  bath water consumption
  wedding gifts
  baby sprinkle
  snow flurry
  light snow
  night shower
  bath resale value
  bath which is better
  bath experiment

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

Other search terms related to shower and their ratings are:
★★★★★ tile
★★★★ washing hair
★ shower
★ bathtub
tub
You have in mind a companion for shower and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of shower in all years. Click on graph for more.
shower
bath
grower