Relax
Part of speech: verb
Definition: To make something loose. To become loose. To make something less severe or tense. To become less severe or tense. To make something (such as codes and regulations) more lenient. (of codes and regulations) To become more lenient. To relieve (something) from stress.
Example sentence: It's good to reflect on life and take a step back and sit and relax and do something else.
Loosen
Part of speech: verb
Definition: make something less tight; unfasten
Example sentence: When I first got to Madrid, Cannavaro helped me loosen up a lot. The rule was that I could attack as long as I sprinted back. But if I was late? Man, then it got real. The man could yell.