As a proper noun fleet
is the stream that ran where fleet street now runs.
As an adjective faint is
lacking strength; weak; languid; inclined to swoon; as, faint with fatigue, hunger, or thirst.
As a noun faint is
the act of fainting.
As a verb faint is
to lose consciousness caused by a lack of oxygen or nutrients to the brain, usually as a result of a suddenly reduced blood flow (may be caused by emotional trauma, loss of blood or various medical conditions).