These three words share similar meanings, but also have differences in usage. Which one do you think is the most commonly used?

In 2018, a study made headlines when it found that a captive orca, or killer whale, was able to imitate human speech. The killer whale, called Wikie, lived at the Marineland Aquarium in Antibes, ...

In a section of the GPT-4o system card titled "Unauthorized voice generation," OpenAI details an episode where a noisy input somehow prompted the model to suddenly imitate the user's voice.