Verses with the word philistia in the Old Testament (3 verses):

Psalms 60:8
Moab is my washpot; over Edom will I cast out my shoe: Philistia, triumph thou because of me.

Psalms 87:4
I will make mention of Rahab and Babylon to them that know me: behold Philistia, and Tyre, with Ethiopia; this man was born there.

Psalms 108:9
Moab is my washpot; over Edom will I cast out my shoe; over Philistia will I triumph.