lunger vs mover

lunger and mover both are nouns.

Word	Noun	Adjective	Verb	Adverb
lunger	Yes	No	No	No
mover	Yes	No	No	No

As nouns, mover is a hypernym of lunger; that is, mover is a word with a broader meaning than lunger:

lunger (noun)	mover (noun)
someone who moves forward suddenly (as in fencing)	a company that moves the possessions of a family or business from one site to another
a person with pulmonary tuberculosis	someone who moves
	(parliamentary procedure) someone who makes a formal motion
	workman employed by a moving company