superhelix /sooˈ or sūˈpər-hē-liks/

A supercoil

• propeller-heads
• propellers
• propeller shaft
• propeller shafts
• propelling
• propelling pencil
• propelling pencils
• propelment
• propelments
• propels
• propenal
• propend
• propended
• propendent
• propending
• propends
• propene
• propenes
• propenoic acid
• propense
• propensely
• propenseness
• propensenesses
• propension
• propensions