The best replacement for fqdn is hostname.

The best alternatives to fqdn are rated as following:
★★★★★  hostname
★★★★★  netbios name
★★★★★  netbios
★★★★  domain name
★★★  url
★★  fqhn
★★  short name
★★  ip address
★  common name
  wins

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

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



Google Trends

Scale is based on the average worldwide traffic of fqdn in all years. Click on graph for more.
fqdn
hostname
netbios name