Specialise
Part of speech: verb
Definition: To make distinct or separate, particularly:
Differentiate
Part of speech: verb
Definition: To show, or be the distinction between two things.To perceive the difference between things; to discriminate.To modify, or be modified.To calculate the derivative of a function.To calculate the differential of a function of multiple variables.To produce distinct organs or to achieve specific functions by a process of development called differentiation.
Example sentence: I think it's hard to differentiate between your wrestling character and your real character - you kind of end up being both. I've always been my wrestling character in and out of the ring and in and out of the dressing room, and I was always really respected in the dressing room by the other wrestlers.