There are many synonyms for the phrase "additionally to" that can be used to express the same thought in different ways. Some alternatives to "additionally to" include "in addition to," "furthermore," "moreover," "besides," "also," and "in conjunction with." These phrases help to illustrate the added value of including information or ideas alongside what has already been said. By varying the language and tone used to convey information, writers can create more engaging and compelling content that keeps readers interested and invested. Ultimately, using synonyms for "additionally to" is a great way to expand one's vocabulary and improve writing skills.