A different letter can be dropped from each of the words below so that the remaining letters can be anagrammed into five new, related words.

1. ORANGE
2. ALUMNI
3. TURNIP
4. EVINCED
5. SPANGLE

HINTS:
The dropped letters are:
1. R
2. U
3. P
4. D
5. G

EXTRA HINT:
METRO could be added to the list.

Answers:

After dropping the extra letter and re-arranging the remaining letters, you get five Italian cities:

1. GENOA
2. MILAN
3. TURIN
4. VENICE
5. NAPLES 
    (ROME)