Choose the word spelt correctly :

Option A: superintendant: This is the miss-spelt representation of the word Superintendent. Thus, this is not the correct option.

Option B: sleve: This is the miss-spelt representation of the word sleeve. Thus, this is not the correct option.

Option C: alloted: This is the miss-spelt representation of the word allotted. Thus, this is not the correct option.

Option D: Dissipate means to disappear. Since it has the correct spelling, thus this is the correct option.

The correct option is D.