fontanelle or fontanel /fon-tə-nelˈ/

1. A membrane-covered gap between the immature parietal bones in the skull of a fetus or infant
2. An opening for discharge (medicine)

• impedingly
• impeditive
• impel
• impelled
• impellent
• impellents
• impeller
• impellers
• impelling
• impels
• impend
• impended
• impendence
• impendences
• impendencies
• impendency
• impendent
• impending
• impends
• impenetrabilities
• impenetrability
• gump
• gumped
• gumphion
• gumphions