octodecimo /ok-tō-desˈi-mō/

1. Having eighteen leaves to the sheet
2. Contracted 18mo, often read eighteenmo

A book with sheets so folded

• werewolfism
• werewolfisms
• werewolves
• wergild
• wergilds
• Wernerian
• wernerite
• wernerites
• Wernicke's encephalopathy
• wersh
• wersher
• wershest
• wert
• Wertherian
• Wertherism
• werwolf
• werwolfish
• werwolves
• Wesak
• wesand
• wesands
• Wesleyan
• Wesleyanism
• Wessi
• Wessis