in-between, medium, middle, halfway, average, moderate, second, mediate, next-to-last, sophomore, more...

beginner, novice, expert, advanced, primary

transition metal, metalloid, lanthanide, actinide, more...

emt, late, primary, particular, high, pre, beginner, post, initial, second, present

f or g, but not h,   place between,   in between place,   medium level,   rank above novice,   to be in between,   middle rank,   between boundaries,   middle color,   in betwen