smoothen vs strickle

smoothen is not a noun while strickle is a noun.

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

smoothen (noun)	strickle (noun)
	a tool used in a foundry to shape a mold in sand
	a tool or rod used to level off grain or other granular material that is heaped in a measure
	an implement for sharpening scythes

smoothen (verb)	strickle (verb)
become smooth	smooth with a strickle
make smooth or smoother, as if by rubbing	level off with a strickle in a measuring container
make (a surface) shine