When writing or speaking, it's important to avoid repetition and add variety to your language by using synonyms. "In respect to" is a phrase that shows relation or connection between two things, ideas or people. Some synonyms that can be used in place of "in respect to" include "concerning," "regarding," "about," "with regard to," "pertaining to," and "relating to." It is important to note that while these words can be used interchangeably with "in respect to," the context and tone of your sentence may influence which one you choose to use. Experiment with using various synonyms to add flair to your language and avoid monotony.