The phrase 'mix with' is a commonly used expression in the English language. It refers to the combination or blending of two or more substances or individuals. There are several words which can be used as synonyms for 'mix with' such as mingle, blend, combine, merge, unite, and integrate. 'Mingle' implies a social mixing or interaction of people. 'Blend' indicates the combination of different elements in an even manner. 'Combine' suggests a more literal or mechanical joining of ingredients or components. 'Merge' pertains to the merging of two or more entities into a single unit. 'Unite' highlights the act of forming a single entity from multiple ones. 'Integrate' emphasizes the creation of a coherent whole from diverse elements.