Nikolas

• Same eraAronLike Nikolas, it was given most in the 2000s.#710 · steady
• Same rhythmEvanderSame beat as Nikolas: three syllables, stress on the second, ending on a consonant, but it starts differently.#698 · rising
• ShorterKamdenTwo syllables to Nikolas's three, so you can tell them apart when you call both.#717 · falling
• LongerAurelioFour syllables to Nikolas's three: a long name beside a short one keeps them distinct.#681 · rising
• RiskyNicolasOne letter away from Nikolas. You'll call the wrong one for years.#177 · steady

Suggestions come from names in this year's top 1,000. Rhythm and rhyme are judged from each name's pronunciation (Wiktionary's, or espeak's reading of the spelling), so a few calls may be off.