informatics vs science

informatics and science both are nouns.

Word	Noun	Adjective	Verb	Adverb
informatics	Yes	No	No	No
science	Yes	No	No	No

As nouns, science is a hypernym of informatics; that is, science is a word with a broader meaning than informatics:

informatics: the sciences concerned with gathering, manipulating, storing, retrieving, and classifying recorded information
science: a particular branch of scientific knowledge

Other hypernyms of informatics include scientific discipline.

informatics (noun)	science (noun)
the sciences concerned with gathering, manipulating, storing, retrieving, and classifying recorded information	a particular branch of scientific knowledge
	ability to produce solutions in some problem domain