The phrase "cankerworm of care" is often used to describe a persistent worry or anxiety. Some synonyms for this phrase include "burden of stress," "weight of concern," and "source of apprehension." Other alternative terms for the "cankerworm of care" could include "sorrowful thought," "anxiousness," and "mental anguish." These phrases can be used interchangeably to describe an overwhelming sense of discontent or unease. It is important to recognize the impact of persistent worry and seek help if it becomes too much to manage alone. Whether we refer to it as the "cankerworm of care" or use alternative terminology, acknowledging our feelings and seeking support can help individuals better manage and overcome stress and anxiety.