whit vs smidge

whit and smidge both are nouns.

Word	Noun	Adjective	Verb	Adverb
whit	Yes	No	No	No
smidge	Yes	No	No	No

As nouns, whit and smidge are synonyms defined as:

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

whit (noun)	smidge (noun)
a tiny or scarcely detectable amount	a tiny or scarcely detectable amount