In obsolete terms the difference between purpose and top
is that
purpose is instance; example while
top is eve; verge; point.
As nouns the difference between purpose and top
is that
purpose is an object to be reached; a target; an aim; a goal while
top is the highest part or component of an object.
As verbs the difference between purpose and top
is that
purpose is have set as one's purpose; resolve to accomplish; intend; plan while
top is to cover on the top or with a top.
As an adjective top is
best; of the highest quality or rank.
As an adverb top is
rated first.