Specify
Part of speech: verb
Definition: To state explicitly, or in detail, or as a condition. To include in a specification. To bring about a specific result.
Specialize
Part of speech: verb
Definition: To mention specially; to particularize.To apply to some specialty or limited object; to assign to a specific use; as, specialized knowledge.To supply with an organ or organs having a special function or functions.
Example sentence: I have always been a great fan of Peter Chan and many other great directors who specialize in anything outside of action.