Cases of word usage

1) to preserve (a dead body) by using oils, chemicals etc (embalm)

2) to preserve (food) by rapid freezing and drying it in a vacuum (freeze-dry)

3) to preserve (a dead body) (mummify)

4) to preserve (something) from being forgotten or from going out of use (perpetuate)

5) salt water, vinegar etc used for keeping vegetables etc in good condition; to preserve food) in pickle (pickle)

6) a round container for liquids or solids, or for cooking things in etc; a large amount; marijuana; to put (meat, fish paste etc) in a glass jar to preserve it (pot)

7) a black substance obtained from coal etc, used to preserve wood, make roads etc (tar)