1. Happening again (especially at regular intervals)
   - recurrence, return

Type of: repeat, repetition

• groundling
• groundmass
• groundnut
• groundnut oil
• groundnut vine
• grounds
• groundsel
• groundsel bush
• groundsel tree
• groundsheet
• groundskeeper
• groundsman
• groundspeed
• groundwater level
• groundwork
• group
• group A
• group AB
• group action
• group Amentiferae
• group B
• group captain
• group Centrospermae
• group discussion
• group dynamics