There are many synonyms for the term "non essentials" that can be used to describe items or things that are not necessary or crucial. Some of these words include peripheral, extraneous, supplementary, superfluous, ancillary, non-crucial, non-essential, incidental, and secondary. These words can be used to describe things such as accessories, extra supplies, or side items that are not essential to the main function or purpose of something. When deciding what items are necessary or not, it is important to consider what is most important and focus on the essentials, rather than getting caught up in non-essential details.