Uh huh. So why'd they use both spellings in the same article?

Perry: “Yeah. Yeah. I'm a little trepidatious about the future. And you know, what's in store business-wise, I suppose.”

Couric: “Are you scared?”

Perry: “But see, I chose trepidatious.”

Couric: “Okay, sorry.”

Perry: “I'm trying to sound smart.”

Couric: “I try to use easier, monosyllabic words.”

Perry: “Yeah, see, I even put glasses on for this.”

After "Friends," you can still expect to see Matthew making occasional cameos on "The West Wing.” This spring he co-stars in "The Whole Ten Yards," and next year he'll star in a movie with his dad. Yes, they're playing father and son. But if Matthew Perry's still “trepidacious,” here's why.