plummet /plumˈit/

To plunge headlong

To fathom, sound

1. A leaden or other weight, esp on a plumb line, sounding-line, or fishing-line
2. A plumb rule

• authorless
• authors
• authorship
• authorships
• AUTIF
• Autif
• autism
• autisms
• autistic
• autistically
• auto
• auto-
• autoantibodies
• autoantibody
• Autobahn
• Autobahns
• autobiographer
• autobiographers
• autobiographic
• autobiographical
• autobiographically
• autobiographies
• autobiography
• autobus
• autobuses