grou - high
- group (refraction )index
- group addressing
- group allocation
- group analysis
- group block
- group casting
- group charge
- group code
- group coding
- group contactor
- group control
- group delay
- group delay time
- group display
- group electric drive
- group fare
- group heating
- group house
- group lag
- group link
- group model
- group modem
- group modulator
- group multiplexer
- group name
- group property
- group pumping station
- group reaction
- group repetition interval
- group route
- group selection
- group selector
- group separator
- group shot
- group starter
- group switch
- group terminal
- group terminal bay
- group theory
- group tour