The best replacement for host is hostess.

The best alternatives to host are rated as following:
★★★★★  hostess
★★★★★  graft
★★★★  server
★★  lmhost
★★  hosts
★★  domain
★★  graph
★  client
★  vector
★  parasite
★  hostname
★  end system
★  busser
★  donor
★  network
★  emcee
★  nslookup
★  waiter
★  dig
★  agent
★  device
  intermediate host
  american talk show host
  reservoir
  just host
  dns
  host gator
  dreamhost

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

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



Google Trends

Scale is based on the average worldwide traffic of host in all years. Click on graph for more.
host
hostess
graft