You may look up the definitions of "considerable" and "profit." Alternatively, look at other profitable combos. These samples come from corpora and web sources. Any opinions stated in the examples are not those of the Cambridge Dictionary editors, Cambridge University Press, or its licensors. His considerable profits were due to his skill as a businessman. Her substantial profits mean that she is doing well. The company's substantial profits show that it is successful. His income was sufficient to support himself and his family but not enough to be considered wealth. His lack of assets means that he had to work for much of his life before he became rich. She has never earned substantial money because of her poor academic record. Substantial means large in size or amount. Your score on an exam is substantial if it gets you less than half way toward passing the course. The professor's comments on your essay are also substantial evidence that it was a good essay. Profit is the difference between what you sell something for and the cost of producing that product. If you earn a profit, you make money by selling goods or services at a price higher than their production cost. Otherwise, you would not be able to afford to produce them.