rigol or rigoll /rigˈəl/

1. A gutter or water channel
2. A groove, esp an encircling groove
3. A circlet (Shakespeare)

• sketchily
• sketchiness
• sketchinesses
• sketching
• sketchy
• skeuomorph
• sphericities
• sphericity
• spherics
• spherier
• spheriest
• sphering
• spheristerion
• spheristerions
• spherocyte
• spherocytes
• spherocytoses
• spherocytosis
• spheroid
• spheroidal
• spheroidicities
• spheroidicity
• spheroidisation
• spheroidise
• spheroidised