first and foremost

chiefly primarily principally

above all essentially generally in general in the main largely most of all mostly on the whole overall predominantly substantially to the greatest extent usually

secondarily

at first at the start from the start in the first place initially originally primitively

finally secondarily

basically chiefly generally importantly largely mostly notably particularly predominantly

primarily

above all before anything else cardinally dominantly eminently especially essentially first of all for the most part fundamentally in the first place in the main materially peculiarly preeminently prevailingly prevalently substantially superlatively supremely to a great degree universally vitally

secondarily trivially