abstraction vs engrossment

abstraction and engrossment both are nouns.

Word	Noun	Adjective	Verb	Adverb
abstraction	Yes	No	No	No
engrossment	Yes	No	No	No

As nouns, engrossment is a hypernym of abstraction; that is, engrossment is a word with a broader meaning than abstraction:

Other hypernyms of abstraction include absorption, preoccupancy, preoccupation.

abstraction (noun)	engrossment (noun)
a general concept formed by extracting common features from specific examples	the quality of being intent and concentrated
the act of withdrawing or removing something	the mental state of being preoccupied by something
an abstract painting	complete attention; intense mental effort
a concept or idea not associated with any specific instance
preoccupation with something to the exclusion of all else
the process of formulating general concepts by abstracting common properties of instances