Rhema is associated with spoken word of man i.e Kenneth Hagin etc
That bifurcation of the Greek is not distinguishable in Greek texts of the day, nor is it distinguishable in the contexts of the Biblical text. It is an artificial construct of some of today's questionable exegetes (and I use that term loosely).
I understood the family was intensely Pentecostal. Following people like Hagin, Roberts, Copeland Haggard etc Where the word Rhema has a different meaning from what Evangelicals understand. More associated with hearing voices in their heads believingThat is where I'm going.
it as a revelation from G-d