YES..oregano is diff. from thyme…
and yeah u r right…cheese-only fatayer is a time-pass 
i too dont like them if made with feta cheese but if its mozzarella cheese then lovelyyyyyy…when i was in saudia..i used to have those salty:-/ feta cheese and spinach fatayer at iftaars and even iftaar parties:( and its tooo :S:S:S:S:S …may be i dont like foods rich in salts…
but i like the ones made with minced meat…