Dutifulnesses is a word that may not be the most common in everyday speech, but it is still important to have synonyms for occasions when it might be necessary. Some potential synonyms for dutifulnesses include obedience, loyalty, commitment, responsibility, faithfulness, devotion, and fidelity. These words all describe a sense of duty or obligation that one feels towards a particular cause, person, or entity. Depending on the context in which dutifulnesses is being used, one or some combination of these words may be more appropriate. Ultimately, these synonyms provide a more nuanced understanding of what it means to be dutiful and fulfill one's obligations.