RELATE TO is a phrase that can be used to describe the connection between two or more things. PERTAIN (7 letters) means to have relevance or importance to something, TIEIN (5 letters) means to connect or link two or more things together, BEARON (6 letters) means to have an influence on something, and BEARUPON (8 letters) means to have a strong influence on something. All of these terms can be used to describe the relationship between two or more things.