grike or gryke /grīk/

1. A fissure in limestone rock formed or widened by the dissolvent effect of rain (geology)
2. A deep valley, ravine (dialect)

• oaklings
• oak lump
• oak lumps
• oak mast
• oak masts
• oak-nut
• oak-nuts
• phrasy
• phratries
• phratry
• phreak
• phreaking
• phreakings
• phreaks
• phreatic
• phreatophyte
• phreatophytes
• phreatophytic
• phreneses
• phrenesiac
• phrenesis
• phrenetic
• phrenetical
• phrenetically
• phrenic