Friths, which is an old English word, has several synonyms that can be used to convey similar meanings. Some of the synonyms for friths include peace, tranquility, serenity, stillness, calmness, and repose. These words are often used to describe a state of harmony or a lack of disturbance. Friths may also be expressed by using terms like harmony, accord, concord, and unity. These synonyms are useful in expressing the absence of conflict, a sense of order, and a peaceful coexistence. Overall, there are many words that can be used instead of friths, depending on the context and the desired tone.