I already created:
That is website for organizing web challenges (web + challenge=webllenge)
Website for workers shareing (w for workers and unify because they work united at wunify.com)
Serbian website about dogs selling (prodaja = selling + pasa = of dogs)
Website for booking fishing travels.
5 names ideas plus avaible domain
I`ll create 5 great business names for you and find avaible .com domains for those names