hold-down vs restriction

hold-down and restriction both are nouns.

Word	Noun	Adjective	Verb	Adverb
hold-down	Yes	No	No	No
restriction	Yes	No	No	No

As nouns, restriction is a hypernym of hold-down; that is, restriction is a word with a broader meaning than hold-down:

Other hypernyms of hold-down include limitation.

hold-down (noun)	restriction (noun)
a limitation or constraint	an act of limiting or restricting (as by regulation)
	the act of keeping something within specified bounds (by force if necessary)
	a principle that limits the extent of something