extract vs excavation

extract and excavation both are nouns.

Word	Noun	Adjective	Verb	Adverb
extract	Yes	No	Yes	No
excavation	Yes	No	No	No

extract (noun)	excavation (noun)
a passage selected from a larger work	the act of extracting ores or coal etc from the earth
a solution obtained by steeping or soaking a substance (usually in water)	the act of digging
	a hole in the ground made by excavating
	the site of an archeological exploration

extract (verb)	excavation (verb)
extract by the process of distillation
take out of a literary work in order to cite or copy
calculate the root of a number
remove, usually with some force or effort; also used in an abstract sense
obtain from a substance, as by mechanical action
separate (a metal) from an ore
deduce (a principle) or construe (a meaning)
get despite difficulties or obstacles