boring vs drilling

boring and drilling both are nouns.

Word	Noun	Adjective	Verb	Adverb
boring	Yes	Yes	No	No
drilling	Yes	No	No	No

As nouns, boring and drilling are synonyms defined as:

boring and drilling: the act of drilling a hole in the earth in the hope of producing petroleum

Other synonyms of boring include oil production.

As nouns, boring and drilling are synonyms defined as:

boring (noun)	drilling (noun)
the act of drilling a hole in the earth in the hope of producing petroleum	the act of drilling a hole in the earth in the hope of producing petroleum
the act of drilling	the act of drilling

boring (adjective)	drilling (adjective)
so lacking in interest as to cause mental weariness