Use each database's thesaurus or subject headings list to identify the best wording for your topic. For example, SportDiscus uses:
The names of some sports vary according to the locations they are played. For instance, the game that Americans would call "soccer" is called "football" in many other countries.
There are also different terms used among competitive and recreational players. For example, serious players talk about "table tennis," while you might call the same game "ping pong."