As nouns the difference between lung and jump
is that
lung is (anatomy) a biological organ that extracts oxygen from the air while
jump is the act of jumping; a leap; a spring; a bound or
jump can be a kind of loose jacket for men.
As a verb jump is
to propel oneself rapidly upward, downward and/or in any horizontal direction such that momentum causes the body to become airborne.
As an adverb jump is
(obsolete) exactly; precisely.
As an adjective jump is
(obsolete) exact; matched; fitting; precise.