Material
Part of speech: noun
Definition: Matter which may be shaped or manipulated, particularly in making something. A sample or specimens for study. Cloth to be made into a garment. Things written to be performed. A person who is qualified for a certain position or activity.
Part of speech: adjective
Definition: Having to do with matter. Worldly, as opposed to spiritual. Significant.
Example sentence: DNA is the master blueprint for life and constitutes the genetic material in all free-living organisms and most viruses. RNA is the genetic material of certain viruses, but it is also found in all living cells, where it plays an important role in certain processes such as the making of proteins.
Substantial
Part of speech: adjective
Definition: Belonging to substance; actually existing; real; as, substantial life.Not seeming or imaginary; not illusive; real; solid; true; veritable.Corporeal; material; firm.Having good substance; strong; stout; solid; firm; as, substantial cloth; a substantial fence or wall.Possessed of goods or an estate; moderately wealthy; responsible; as, a substantial freeholder.Large in size, quantity, or value; as, a substantial amount of money; vastMost important; essential.Ample or full.Significantly great.
Example sentence: I'm going to put a museum on my ranch and people keep saying, 'That's a huge idea.' Yeah, it's big, but not bigger than the average big movie. A hundred million dollars in the art world is a substantial amount of cash to do anything. That's maybe a big gallery's total sales for a given year.