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)

• sulph-
• sulpha
• sulphacetamide
• sulphacetamides
• sulphadiazine
• sulphadiazines
• sulphadimidine
• sulphamethoxazole
• sulphanilamide
• sulphanilamides
• sulphas
• sulphatase
• sulphatases
• sulphate
• swatters
• swattier
• swattiest
• swatting
• swattings
• swatty
• sway
• swayback
• swaybacked
• swaybacks
• swayed