smidgeon vs smidgen

smidgeon and smidgen both are nouns.

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

As nouns, smidgeon and smidgen are synonyms defined as:

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

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