Soiree and Tea party

Soiree noun - A party of people assembled in the evening (usually at a private house).

Tea party and soiree are semantically related in event topic. In some cases you can use "Tea party" instead a noun "Soiree".

Tea party noun - A party at which tea is served.

Soiree and tea party are semantically related in event topic. You can use "Soiree" instead a noun phrase "Tea party".