It's not an Old English word--it didn't enter English until the 1300s which was definitely in the Middle English period. Nor is it totally obsolete, although it is now confined to dialects in Northern England and in Scotland. It means "sneeze".

According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 4 words with the pattern --EZ-. That is, five letter words with 3rd letter E and 4th letter Z. In alphabetical order, they are:

feeze

heeze

neeze

piezo

According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern NE-Z-. That is, five letter words with 1st letter N and 2nd letter E and 4th letter Z. In alphabetical order, they are:

neeze

According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern N-EZ-. That is, five letter words with 1st letter N and 3rd letter E and 4th letter Z. In alphabetical order, they are:

neeze

According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 3 words with the pattern --EZE. That is, five letter words with 3rd letter E and 4th letter Z and 5th letter E. In alphabetical order, they are:

feeze

heeze

neeze