Cassian

• Same eraRoyalLike Cassian, it was given most in the 2020s.#476 · steady
• Same rhythmFabianSame beat as Cassian: three syllables, stress on the first, ending on a consonant, but it starts differently.#468 · steady
• ShorterRubenTwo syllables to Cassian's three, so you can tell them apart when you call both.#480 · steady
• LongerHezekiahFour syllables to Cassian's three: a long name beside a short one keeps them distinct.#485 · steady
• RiskyCaspianOne letter away from Cassian. You'll call the wrong one for years.#491 · rising

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.