In Spanish, the word for prince is príncipe. This term is used to refer to a male member of a royal family, especially the son of a king and queen.
For example, if you want to say “The prince is very kind” in Spanish, you would say, “El príncipe es muy amable.”
It’s important to note that the word príncipe is masculine. If you are referring to a princess, the word changes to princesa, which is the feminine form.