Dictionary Domains consolidates a group of searches based on lexical data.
Single-word .com and .net domains are rarely available, but there are a number of ways how words can be tweaked or affixed. There are also plenty of available dictionary domains with other TLDs.
Join words that have overlapping parts with your keyword. Kinetic + ticket = Kineticket
Append or prepend words that have the same sound with your word.
Alliterations can be matched by beginnings (Rocket + Rocker) or endings (Rocket + Docket).
Find dictionary words which are semantically related to your keyword. Try this with adding a Prefix or Suffix.
Find words containing specific characters.
Translate a word to and from English. Check to English to see whether a randomly generated word has a meaning in any other language.