Nouns can make very good domain names. Take business.com, sex.com, hotels.com. Surely there must be more like this just waiting to be discovered. Try some different Top Level Domains, for instance cruises.co.uk recently sold for £560k see Cruise.co.uk stumps £560k to add 's' to domain
Select the starting letter to filter the results. Also try different domain name extensions to come up with some good available domain names.
Usually, words or phrases are worth a lot more money in the domain name aftermarket.