Procrastinate
Protect
Professor
Profess
Professional
Proactive
Pro-biotic
The prefix for all three words is "pro-".
Some examples are PROfessional, PROpulsion, PROlogue, PROmise, PRO-African, Sorry I can't think of more.
There is protect protest project
Pro is a prefix, not a root word. Some people, however, consider a prefix a root word as well. Pro means before, or beginning. Examples: Proceed Produce Progress Project Promote
The prefix of "profusion" is "pro-," which means "forward" or "in favor of."
the prefix is pro-
The prefix for progress is "pro-."
The prefix for "professional" is "pro-".
The prefix for "produce" is "pro-".
The prefix for proponent is "pro-".
The prefix of "profit" is "pro-".
"Pro" is the prefix, "mont" is the root, and "ory" is the suffix.