substantial vs considerable

substantial and considerable both are adjectives.

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

substantial (adjective)	considerable (adjective)
having substance or capable of being treated as fact; not imaginary	large or relatively large in number or amount or extent or degree
of considerable importance, size, or worth
of or relating to the real nature or essential elements of something
having an abundant supply of money or possessions of value
of good quality and condition; solidly built
providing abundant nourishment