Greek: άπειρο (ahpeeroh)

"yesterday"

Greek: μαύρο (mahvroh)

Greek: κόσμος (cosmos)

Greek: τυχερός/τυχερή

Greek: νυχτερίδα ("neechtereedah" is the closest spelling I can think of)

Ψάρι

Greek: ευχαριστώ (efharisto)

Greek: φίλος (feelos, male), φίλη (feelee, female)

Greek: ουρανός (ooranos)

Greek: πατάτα

Greek: ναι (neh)

50% of Greece is the letter e

By Mrs. Frollein, since credit is missing