Explanation:

- Start by interchanging the second and last letters of each given word.

- FAM becomes FMA

- MAN becomes MNA

- XTG becomes XGT

- TEM becomes TME

- UUQ becomes UQU

- Next, identify the words that end with a vowel (A, E, I, O, U).

- FMA ends with 'A' (vowel).

- MNA ends with 'A' (vowel).

- TME ends with 'E' (vowel).

- UQU ends with 'U' (vowel).

- Count the words ending with a vowel. Four words meet this condition.

- Therefore, the correct answer is:

- Option: 4 Four