Homeroom and Symposium

Homeroom noun - A classroom in which all students in a particular grade (or in a division of a grade) meet at certain times under the supervision of a teacher who takes attendance and does other administrative business.

Symposium and homeroom are semantically related. In some cases you can use "Symposium" instead a noun "Homeroom".

Symposium noun - A meeting featuring a group discussion.

Homeroom and symposium are semantically related. Sometimes you can use "Homeroom" instead a noun "Symposium".