Owen

• Same eraLukeLike Owen, it was given most in the 2010s.#33 · steady
• Same rhythmJosephSame beat as Owen: two syllables, stress on the first, ending on a consonant, but it starts differently.#29 · steady
• ShorterJohnOne syllable to Owen's two, so you can tell them apart when you call both.#23 · steady
• LongerGabrielThree syllables to Owen's two: a long name beside a short one keeps them distinct.#37 · steady
• RiskyBowenOne letter away from Owen. You'll call the wrong one for years.#266 · 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.