What is another word for most consubstantial?
Pronunciation: [mˈə͡ʊst kɒnsəbstˈanʃə͡l] (IPA) 
The phrase "most consubstantial" has a certain weighty grandeur to it, which makes it tricky to find synonyms that quite match its force. That said, some potential alternatives might include "inherently similar," "inextricably connected," "inseparably linked," or "inherently intertwined." These phrases all carry a sense of deep interconnectedness or mutual dependence that could capture some of the connotations of "most consubstantial." Other slightly less perfect options might include "closely united" or "deeply integrated." Ultimately, though, the precise sense of the phrase will likely depend on its specific context and the ways in which it feels most fitting for the situation at hand.
