illustrate vs embellish

illustrate and embellish both are verbs.

Word	Noun	Adjective	Verb	Adverb
illustrate	No	No	Yes	No
embellish	No	No	Yes	No

As verbs, embellish is a hypernym of illustrate; that is, embellish is a word with a broader meaning than illustrate:

Other hypernyms of illustrate include adorn, beautify, decorate, grace, ornament.

illustrate (verb)	embellish (verb)
clarify by giving an example of	make more beautiful
depict with an illustration	add details to
supply with illustrations	make more attractive by adding ornament, colour, etc.
	be beautiful to look at