unde - vene
- under construction
- under flexure
- under water concrete
- under wooden piece
- under-girder
- under-planted
- under-surface
- under-tile
- underbraced beam
- underburnt material
- undercarriage
- undercloak
- undercoat
- undercroft
- underdesigned
- underdressed timber
- underface
- underfelt
- underfired
- underfloor
- underfloor heating
- underground
- underground disposal
- underground drain pipe
- underground line
- underground passage
- underground tank
- underground water
- undergroundcar park
- undergroundstructure
- undergrowth
- underlayer
- underlaying soil
- underlayment
- underlining felt
- underlying
- underlying soil
- undermanned
- undermining
- underpass
