restriction site vs situation

restriction site and situation both are nouns.

Word	Noun	Adjective	Verb	Adverb
restriction site	Yes	No	No	No
situation	Yes	No	No	No

As nouns, situation is a hypernym of restriction site; that is, situation is a word with a broader meaning than restriction site:

restriction site: the specific sites at which a restriction enzyme will cleave DNA
situation: physical position in relation to the surroundings

Other hypernyms of restriction site include site.

restriction site (noun)	situation (noun)
the specific sites at which a restriction enzyme will cleave DNA	a job in an organization
	physical position in relation to the surroundings
	the general state of things; the combination of circumstances at a given time
	a condition or position in which you find yourself
	a complex or critical or unusual difficulty