mining vs fracking

mining and fracking both are nouns.

Word	Noun	Adjective	Verb	Adverb
mining	Yes	No	No	No
fracking	Yes	No	No	No

As nouns, fracking is a hyponym of mining; that is, fracking is a word with a more specific, narrower meaning than mining:

mining: the act of extracting ores or coal etc from the earth
fracking: a well-stimulation technique in which rock is fractured by a pressurized liquid

Other hyponyms of mining include placer mining, opencast mining, strip mining, salt-working, salt working.

mining (noun)	fracking (noun)
the act of extracting ores or coal etc from the earth	a well-stimulation technique in which rock is fractured by a pressurized liquid
laying explosive mines in concealed places to destroy enemy personnel and equipment