fascinating vs engrossing

fascinating and engrossing both are adjectives.

Word	Noun	Adjective	Verb	Adverb
fascinating	No	Yes	No	No
engrossing	No	Yes	No	No

As adjectives, fascinating and engrossing are synonyms defined as:

fascinating and engrossing: capable of arousing and holding the attention

Other synonyms of fascinating include absorbing, gripping, riveting.

fascinating (adjective)	engrossing (adjective)
capturing interest as if by a spell	capable of arousing and holding the attention
capable of arousing and holding the attention