Create And Made are two English words that are very synonymous, which means both words can be used interchangeably if you are not going to consider the fact that one is already in its past form. Made in the past tense of 'make' which means to produce or construct, in fact, the best synonyms for make is create. For example, John is trying to make a product that looks very big.
It also has other meanings like to bring about, to write or compose, to behave or act. On the other hand, create a means to put something into existence. For example, God created the heavens and the earth.
It also has other meanings like to invest with a new form or to design; it also means to generate or invent. While both words, in their present forms, are most times considered to be synonymous, the only difference between the two is their usage. There are some places where you shouldn't substitute one for the other if you want to produce the same meaning.