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)

• subdivision
• subdivisional
• subdivisions
• subdivisive
• sub divo
• subdolous
• subdominant
• subdominants
• subdorsal
• subduable
• subdual
• subduals
• subduce
• subduced
• subduces
• surcoats
• surculi
• surculose
• surculus
• surculuses
• surd
• surdities
• surdity
• surds
• sure