reassembly vs reconstruction

reassembly and reconstruction both are nouns.

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

As nouns, reconstruction is a hypernym of reassembly; that is, reconstruction is a word with a broader meaning than reassembly:

reassembly (noun)	reconstruction (noun)
assembling again	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