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: Corner one of the hundreds of doctors who specialize in autism recovery, and they'll tell you stories of dozens of kids in their practice who no longer have autism. Ask them to speak to the press and they'll run for the door. They know better.
Narrow
Part of speech: verb
Definition: To reduce in width or extent; to contract.To get narrower.
Part of speech: adjective
Definition: having a small width; not wide; slim; slender; having opposite edges or sides that are close, especially by comparison to length or depth.Restrictive; without flexibility or latitude.
Example sentence: I've been a Christian for a long time, and I think that Christianity gets a bad rap. I think that people's perception of what a Christian is today is something that is close-minded and narrow, and that's not what I am.