What is the similarties between amendmnt and constitution

Ok, so, first, if you find the definitions of the terms, they will be easier to compare. So, an amendment is like a change or new idea to an original document or new document, and it basically has the same political power as the previous document or the new document. And the Constitution is basically the highest law in the United States. So, if you know this, the similarities could be that they are both legal documents that have a certain measurable amount of political power.