engrossment vs attention

engrossment and attention both are nouns.

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

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

engrossment (noun)	attention (noun)
the quality of being intent and concentrated	the work of providing treatment for or attending to someone or something
the mental state of being preoccupied by something	a courteous act indicating affection
complete attention; intense mental effort	a motionless erect stance with arms at the sides and feet together; assumed by military personnel during drill or review
	the process whereby a person concentrates on some features of the environment to the (relative) exclusion of others
	the faculty or power of mental concentration
	a general interest that leads people to want to know more