Eithan

• Same eraAmaraLike Eithan, it was given most in the 2020s.#98 · rising
• Same rhythmMargotSame beat as Eithan: two syllables, stress on the first, ending on a consonant, but it starts differently.#102 · rising
• ShorterQuinnOne syllable to Eithan's two, so you can tell them apart when you call both.#97 · steady
• LongerCarolineThree syllables to Eithan's two: a long name beside a short one keeps them distinct.#96 · falling

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.