Rowan

• Same eraLeilaniLike Rowan, it was given most in the 2020s.#60 · rising
• Same rhythmIrisSame beat as Rowan: two syllables, stress on the first, ending on a consonant, but it starts differently.#61 · rising
• ShorterClaireOne syllable to Rowan's two, so you can tell them apart when you call both.#68 · steady
• LongerAdelineThree syllables to Rowan's two: a long name beside a short one keeps them distinct.#59 · rising
• RiskyRowynOne letter away from Rowan. You'll call the wrong one for years.#694 · 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.