Adding two-way synonym rules using the New Synonym Rule button
You can add synonym rules using the New Synonym Rule button on the Synonym Search page.
Select a locale.
Click New Synonym Rule.
Select Two-way from the Synonym Search Type drop-down.
Specify related terms in the Terms field.
The terms defined in this field are related to each other which will produce the same search results. For example, you can specify tap; faucet; valve; spout; spigot in the Terms field.