freehold vs land tenure

freehold and land tenure both are nouns.

Word	Noun	Adjective	Verb	Adverb
freehold	Yes	No	No	No
land tenure	Yes	No	No	No

As nouns, land tenure is a hypernym of freehold; that is, land tenure is a word with a broader meaning than freehold:

freehold: tenure by which land is held in fee simple or for life
land tenure: the right to hold property; part of an ancient hierarchical system of holding lands

Other hypernyms of freehold include tenure.

freehold (noun)	land tenure (noun)
tenure by which land is held in fee simple or for life	the right to hold property; part of an ancient hierarchical system of holding lands
an estate held in fee simple or for life