Here’s a great article about where OCD and perfectionism differ and where they intersect.
It begins:
“The terms obsessive compulsive disorder (OCD) and perfectionism tend to be used interchangeably to describe an individual who desires order, is goal-oriented, and has high personal standards. However, there are several important distinctions. To start, OCD is a diagnosable mental health condition, whereas perfectionism is a personality trait. That said, perfectionism can be a trait seen in OCD.”
I encourage you to read the rest of the article at https://www.choosingtherapy.com/perfectionism-and-ocd!