The phrase "coming between" can be used to describe a situation where someone or something is causing a disruption or interference in a relationship or process. There are several synonyms that can be used to convey a similar meaning, such as "interfering," "intervening," or "meddling." Other words that may be used include "disrupting," "obstructing," or "intruding." Each of these terms can be utilized in different contexts to describe situations when something or someone is getting in the way or affecting the natural flow of something. When choosing a synonym, it is important to consider the specific nuance and connotation of the word in the context of the sentence or situation.