tidbit vs delicacy

tidbit and delicacy both are nouns.

Word	Noun	Adjective	Verb	Adverb
tidbit	Yes	No	No	No
delicacy	Yes	No	No	No

As nouns, delicacy is a hypernym of tidbit; that is, delicacy is a word with a broader meaning than tidbit:

Other hypernyms of tidbit include dainty, goody, kickshaw, treat.

tidbit (noun)	delicacy (noun)
a small tasty bit of food	the quality of being beautiful and delicate in appearance
	subtly skillful handling of a situation
	lack of physical strength
	slenderness
	lightness in movement or manner
	refined taste; tact
	something considered choice to eat