linux - is there a quick way to change part of a file name in every file and folder in a collection of nested folders a few layers deep?

windows or linux, either works, it's on an external drive either can read

e.g. change "version2" to "version3" in every file and folder of a project?

Though in this case i want to change patient initials to "patient-1" in every file name and folder name, it's dozens to hundreds of files, tens of gigabytes, and about 10 patients (ten different things to change).