smoothen vs rake

smoothen is not a noun while rake is a noun.

Word	Noun	Adjective	Verb	Adverb
smoothen	No	No	Yes	No
rake	Yes	No	Yes	No

As verbs, rake is a hyponym of smoothen; that is, rake is a word with a more specific, narrower meaning than smoothen:

Other hyponyms of smoothen include strip, launch, plane, float, sand, sandpaper, sandblast, file.

smoothen (noun)	rake (noun)
	a long-handled tool with a row of teeth at its head; used to move leaves or loosen soil
	degree of deviation from a horizontal plane
	a dissolute man in fashionable society

smoothen (verb)	rake (verb)
become smooth	gather with a rake
make smooth or smoother, as if by rubbing	level or smooth with a rake
make (a surface) shine	scrape gently
	move through with or as if with a rake
	examine hastily
	sweep the length of