Answer: Tempo and rhythm are interchangeable terms.
Explanation:
In rudimentary terms, tempo is referred to as or known as how slow or fast any piece of a music is being performed, while on the other hand rhythm is referred to as the placement of noise or sounds in time, i.e. done in a repeated and regular pattern. Tempo in general terms is referred to as the entity measured as no. of beats/minute, where beat is referred to as basic measure of time period in music.