flake vs matchwood

flake and matchwood both are nouns.

Word	Noun	Adjective	Verb	Adverb
flake	Yes	No	Yes	No
matchwood	Yes	No	No	No

As nouns, matchwood is a hyponym of flake; that is, matchwood is a word with a more specific, narrower meaning than flake:

Other hyponyms of flake include exfoliation, scale, scurf, scurf, sliver, splinter.

flake (noun)	matchwood (noun)
a small fragment of something broken off from the whole	fragments of wood
a person with an unusual or odd personality	wood suitable for making matchsticks
a crystal of snow	wood in small pieces or splinters

flake (verb)	matchwood (verb)
come off in flakes or thin small pieces
cover with flakes or as if with flakes
form into flakes