1. laid up ill and usually confined
  2. lead up set in motion, start an event or prepare the way for
  3. load up fill or place a load on
  4. let up become less in amount or intensity
  5. letup a pause during which things are calm or activities are diminished
  6. land up block with earth, as after a landslide
  7. light up ignite
  8. paid-up paid in advance
  9. L-dopa the levorotatory form of dopa
  10. glide by pass by
  11. laid set down according to a plan
  12. laudable worthy of high praise
  13. build up enlarge, develop, or increase by degrees or in stages
  14. cloud up become covered with clouds
  15. laptop a portable computer
  16. add up add up in number or quantity
  17. hold up be the physical support of; carry the weight of
  18. lay up disable or confine, as with an illness
  19. lay-up a basketball shot made with one hand from a position under or beside the basket (and usually banked off the backboard)
  20. buildup the act of accumulating