smidgin vs smidgeon

smidgin and smidgeon both are nouns.

Word	Noun	Adjective	Verb	Adverb
smidgin	Yes	No	No	No
smidgeon	Yes	No	No	No

As nouns, smidgin and smidgeon are synonyms defined as:

Other synonyms of smidgin include iota, scintilla, shred, smidge, smidgen, tittle, whit.

smidgin (noun)	smidgeon (noun)
a tiny or scarcely detectable amount	a tiny or scarcely detectable amount