Prefix (re-)
Root Word
Suffix (-er)
100
To write something again.
Rewrite!
Example: The teacher asked him to rewrite his sentence.
100
(act)
To do
100
Someone who likes to run
Runner
200
To try again
Retry
Example: Retry submitting your work through google classroom.
200
(anim)
Life and spirit
200
Someone who likes to dance
Dancer
300
To play something again
Replay
Example: Jack replayed his favorite music video on Youtube.
300
(dict)
To say or speak
300
Someone who likes to sing
Singer
400
To build something again 
Rebuild
(Let's rebuild the broken house.)
400
(aud)
To hear or listen
400
Someone who likes to teach
Teacher
500
Three words with re- prefix
Reduce, Reuse and Recycle!
500
(logy, ology)
(study of, science of)
500
Someone who likes to paint.
Painter