underpinˈ transitive verb

1. To support by building underneath, or to prop up (also figurative)
2. To corroborate

underpinnˈing noun

• wedlock
• wedlocks
• Wednesday
• Wednesdays
• weds
• Weds.
• wee
• weed
• weeded
• weeder
• weederies
• weeders
• weedery
• weed-grown
• weedicide
• weedicides
• weedier
• weediest
• weediness
• weedinesses
• weeding
• weeding-chisel
• weeding-forceps
• weeding-fork
• weeding-hook