superhelix /sooˈ or sūˈpər-hē-liks/

A supercoil

• office-bearers
• office block
• office blocks
• office-book
• office-books
• office boy
• office boys
• office girl
• office girls
• office-holder
• office-holders
• office hours
• office-hunter
• office-hunters
• office junior
• office juniors
• Office of Fair Trading
• officer
• officered
• officering
• officer of arms
• officer of the day
• officer of the watch
• officers
• officers of arms