substantial vs hearty

substantial and hearty both are adjectives.

Word	Noun	Adjective	Verb	Adverb
substantial	No	Yes	No	No
hearty	No	Yes	No	No

As adjectives, substantial and hearty are synonyms defined as:

Other synonyms of substantial include satisfying, solid, square.

substantial (adjective)	hearty (adjective)
having substance or capable of being treated as fact; not imaginary	deeply felt
of considerable importance, size, or worth	showing warm and heartfelt friendliness
of or relating to the real nature or essential elements of something	providing abundant nourishment
having an abundant supply of money or possessions of value	consuming abundantly and with gusto
of good quality and condition; solidly built	endowed with or exhibiting great bodily or mental health
providing abundant nourishment