clean
clean
The word that rhymes with angel and means free is "mangel."
color-free
quay
The verb for purification is "purify." It means to cleanse, make something pure, or free from impurities.
Yes, pure water is an example of a substance that is free from impurities and contaminants.
The word "pure" is often used as the opposite of contaminated. It implies that something is clean, uncontaminated, or free from impurities.
Free is the closest rhyme that's a perfect synonym. The closest words I can think of that are perfect rhymes are reap, keep, and upkeep.
sterile
Free kicks.
Chain free?
free throw