There are a variety of synonyms for the word "courses" that can be used to describe a series of educational or training modules. One option is "classes," which are organized sessions where students can learn and discuss specific topics with an instructor. Another possibility is "modules," which are self-contained units of instruction that can be completed independently or in conjunction with other modules. "Tutorials" are another type of course that may be offered online or in person, allowing students to learn at their own pace with guidance from a mentor or teacher. Other synonyms for courses include "workshops," "seminars," and "lectures".