Lucien

• Same eraAlistairLike Lucien, it was given most in the 2010s.#897 · steady
• Same rhythmFosterSame beat as Lucien: two syllables, stress on the first, ending on a consonant, but it starts differently.#901 · steady
• ShorterLaithOne syllable to Lucien's two, so you can tell them apart when you call both.#893 · rising
• LongerKaleoThree syllables to Lucien's two: a long name beside a short one keeps them distinct.#897 · rising
• RiskyLucianOne letter away from Lucien. You'll call the wrong one for years.#462 · 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.