S: (v) change (change%2:30:00::) (undergo a change; become different in essence; losing one's or its original nature) "She changed completely as she grew older"; "The weather changed last night"
W: (v) stay (stay%2:30:00::) [Opposed to: change] (stay the same; remain in a certain state) "The dress remained wet after repeated attempts to dry it"; "rest assured"; "stay alone"; "He remained unmoved by her tears"; "The bad weather continued for another week"