imbrication vs lapping

imbrication and lapping both are nouns.

Word	Noun	Adjective	Verb	Adverb
imbrication	Yes	No	No	No
lapping	Yes	No	No	No

As nouns, imbrication and lapping are synonyms defined as:

imbrication and lapping: covering with a design in which one element covers a part of another (as with tiles or shingles)

Other synonyms of imbrication include overlapping.

imbrication (noun)	lapping (noun)
covering with a design in which one element covers a part of another (as with tiles or shingles)	covering with a design in which one element covers a part of another (as with tiles or shingles)