appreciation vs blessing

appreciation and blessing both are nouns.

Word	Noun	Adjective	Verb	Adverb
appreciation	Yes	No	No	No
blessing	Yes	No	No	No

As nouns, blessing is a hypernym of appreciation; that is, blessing is a word with a broader meaning than appreciation:

Other hypernyms of appreciation include approval, approving.

appreciation (noun)	blessing (noun)
a favorable judgment	the act of praying for divine protection
an increase in price or value	the formal act of approving
understanding of the nature or meaning or quality or magnitude of something	a ceremonial prayer invoking divine protection
delicate discrimination (especially of esthetic values)	a short prayer of thanks before a meal
an expression of gratitude	a desirable state