loadstone vs static magnet

loadstone and static magnet both are nouns.

Word	Noun	Adjective	Verb	Adverb
loadstone	Yes	No	No	No
static magnet	Yes	No	No	No

As nouns, static magnet is a hypernym of loadstone; that is, static magnet is a word with a broader meaning than loadstone:

loadstone: a permanent magnet consisting of magnetite that possess polarity and has the power to attract as well as to be attracted magnetically
static magnet: a magnet that retains its magnetism after being removed from a magnetic field

Other hypernyms of loadstone include permanent magnet.

loadstone (noun)	static magnet (noun)
a permanent magnet consisting of magnetite that possess polarity and has the power to attract as well as to be attracted magnetically	a magnet that retains its magnetism after being removed from a magnetic field