"A dozen plus ones" is a phrase that is commonly used to refer to a group of items that are more than twelve. However, there are several synonyms that can be used to describe a similar group. One such synonym is "a baker's dozen," which refers to thirteen items. Another synonym is "a score and some," which means twenty or more. "A couple of dozen" is also commonly used to refer to a group that is approximately 24 in number. "A few dozen" is another phrase that can be used to describe a group of more than 12, but less than 36. Ultimately, the choice of synonym depends on the context and intended meaning of the phrase.