occupation vs farming

occupation and farming both are nouns.

Word	Noun	Adjective	Verb	Adverb
occupation	Yes	No	No	No
farming	Yes	Yes	No	No

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

occupation (noun)	farming (noun)
the principal activity in your life that you do to earn money	the practice of cultivating the land or raising stock
the act of occupying or taking possession of a building	agriculture considered as an occupation or way of life
the control of a country by military forces of a foreign power
any activity that occupies a person's attention
the period of time during which a place or position or nation is occupied

occupation (adjective)	farming (adjective)
	relating to farming or agriculture