smidgin vs smidgen

smidgin and smidgen both are nouns.

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

As nouns, smidgin and smidgen are synonyms defined as:

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

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