potty vs smitten

potty is a noun but smitten is not a noun.

Word	Noun	Adjective	Verb	Adverb
potty	Yes	Yes	No	No
smitten	No	Yes	No	No

As adjectives, potty and smitten are synonyms defined as:

Other synonyms of potty include enamored, in love, infatuated, soft on, taken with.

potty (noun)	smitten (noun)
a receptacle for urination or defecation in the bedroom
a plumbing fixture for defecation and urination

potty (adjective)	smitten (adjective)
slightly intoxicated	(used in combination) affected by something overwhelming
marked by foolish or unreasoning fondness	marked by foolish or unreasoning fondness
(British informal) trivial