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

• tenement house
• tenement houses
• tenements
• tenendum
• tenendums
• tenes
• tenesmus
• tenesmuses
• tenet
• tenets
• tenfold
• ten-foot
• ten-gallon hat
• ten-gallon hats
• tenge
• tenges
• Tengku
• tenia
• teniacide
• teniacides
• teniae
• teniafuge
• teniafuges
• tenias
• teniases