reconstruct vs reconstruction

reconstruct is not a noun while reconstruction is a noun.

Word	Noun	Adjective	Verb	Adverb
reconstruct	No	No	Yes	No
reconstruction	Yes	No	No	No

reconstruct (noun)	reconstruction (noun)
	the activity of constructing something again
	recall that is hypothesized to work by storing abstract features which are then used to construct the memory during recall
	an interpretation formed by piecing together bits of evidence

reconstruct (verb)	reconstruction (verb)
do over, as of (part of) a house
cause somebody to adapt or reform socially or politically
reassemble mentally
build again
return to its original or usable and functioning condition