"Unmatched" vs. "unparalleled": distinct echoes of excellence

What is similar?

Both "unmatched" and "unparalleled" describe something that has no equal or equivalent, indicating superiority or uniqueness. They both convey the idea of being the best or without comparison.

What is different?

While both words suggest uniqueness, "unmatched" often implies that there has been an attempt to find an equal or a comparison but none exists. "Unparalleled" more strongly highlights the idea of being beyond comparison or unlike anything else, without necessarily implying a direct comparison has been made. "Unmatched" might suggest competitiveness or surpassing, whereas "unparalleled" often conveys a more absolute form of uniqueness.

Which one is more common?