Yes.
A typographic error will make a rhombus into a rhumbus.
Since there is no such thing as a rhumbus, I guess the answer must be "none".
No, a rectangle cannot ever be a rhumbus - nor a rhombus (to give its correct selling).
A rhumbus?
rhumbus
yes
Yes
A trapezium is not a parallelogram.
Yes
a rhumbus
yes
the opposite sides are the same