colonic vs colon

colonic and colon both are nouns.

Word	Noun	Adjective	Verb	Adverb
colonic	Yes	Yes	No	No
colon	Yes	No	No	No

colonic (noun)	colon (noun)
a water enema given to flush out the colon	the part of the large intestine between the cecum and the rectum; it extracts moisture from food residues before they are excreted
	a punctuation mark (:) used after a word introducing a series or an example or an explanation (or after the salutation of a business letter)
	the basic unit of money in Costa Rica; equal to 100 centimos
	the basic unit of money in El Salvador; equal to 100 centavos

colonic (adjective)	colon (adjective)
of or relating to the colon