va·ca·tion [ vay káysh’n ] break from work or study usually devoted to pleasure, rest, recreation or travel; a recess or holiday
re·lax·a·tion [ re lak sáysh’n ] enjoyable activity: a form of activity that provides a change and relief from effort, work, or tension, and gives pleasure.
I’m so glad I looked these up because I really felt it necessary to clairfy in my own mind how these very important words are defined.