The phrase "combine with" can be easily replaced by various synonyms that serve the same purpose. "Unite with" and "merge with" suggest joining two or more things together into a single entity. "Blend with" emphasizes the idea of two or more things coming together to create a homogeneous mixture. "Integrate with" refers to combining objects or components in a harmonious or cohesive way. "Incorporate with" suggests adding one element to another in a way that enhances or strengthens both. "Fuse with" also denotes the absorption of one object or concept into another to create something new. These synonyms for "combine with" offer flexibility in language and help to express ideas more precisely.