When it comes to the phrase "owes support," there are several synonyms that can be used to convey a similar meaning. Some of these synonyms may include phrases such as "provides assistance," "upholds," "maintains," "upholds obligations," or "fulfills responsibilities." Each of these phrases conveys the idea that someone has a duty to help or provide for another person in some way, whether it be financially, emotionally, or otherwise. By using these synonyms, writers can add variety and depth to their writing while still conveying the essential meaning of owing support to someone else.