Prefix -re before a verb often, but not always,  means to do something again.  A number of these can refer to making improvements  in a property.

Prefix  -pre usually means before, when attached to a verb.  There are hundred of words with these prefixes :  these are some of the most common.  Remember, you don’t need to learn all these words – just recognize the ‘again’ and ‘before’ function

reappear

rearrange

recarpet

recharge

reconnect

recycle!

redecorate

redo

refinish

refurnish

reheat

remarry

remodel

rename

renew

repaint

repay

reread

reset

rethink

rewind

rewrite

prearrange

preapprove

preauthorize

precaution

precycle! ( a new word formation)

predetermine

predispose

prefrozen

preexist

prefix!

preindustrial

preinspect

premeditate

prenatal

prenuptial

preowned

preregister

preset

presuppose

preview

prewar

prewash