nutrition vs puree

nutrition and puree both are nouns.

Word	Noun	Adjective	Verb	Adverb
nutrition	Yes	No	No	No
puree	Yes	No	Yes	No

As nouns, puree is a hyponym of nutrition; that is, puree is a word with a more specific, narrower meaning than nutrition:

nutrition (noun)	puree (noun)
the scientific study of food and drink (especially in humans)	food prepared by cooking and straining or processed in a blender
a source of materials to nourish the body
(physiology) the organic process of nourishing or being nourished; the processes by which an organism assimilates food and uses it for growth and maintenance

nutrition (verb)	puree (verb)
	rub through a strainer or process in an electric blender