Luc

• Same eraBlaineLike Luc, it was given most in the 2000s.#991 · steady
• Same rhythmJoanSame beat as Luc: one syllable, ending on a consonant, but it starts differently.#984 · steady
• LongerKabirTwo syllables to Luc's one: a long name beside a short one keeps them distinct.#999 · steady
• RiskyLucaOne letter away from Luc. You'll call the wrong one for years.#14 · 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.