Lucas

• Same eraLeviLike Lucas, it was given most in the 2010s.#12 · rising
• Same rhythmHudsonSame beat as Lucas: two syllables, stress on the first, ending on a consonant, but it starts differently.#17 · rising
• ShorterJackOne syllable to Lucas's two, so you can tell them apart when you call both.#15 · rising
• LongerBenjaminThree syllables to Lucas's two: a long name beside a short one keeps them distinct.#11 · steady
• RiskyLucaOne letter away from Lucas. 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.