The best replacement for tagged is untagged vlan.

The best alternatives to tagged are rated as following:
★★★★★  untagged vlan
★★  untagged
★  hi5
★  meetme
★  not to be tagged
★  badoo
★  untagged procurve
  untagged hp
  untagged switch
  untagged hp switch
  tagged
  untagged vlans
  untagged hp procurve
  plentyoffish

Your alternative for tagged is not listed? Suggest!
Speaking about tagged, one probably shouldn't forget about hi5.

Other search terms related to tagged and their ratings are:
★★★★★ hi5
You have in mind a companion for tagged and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of tagged in all years. Click on graph for more.
tagged
untagged vlan
untagged