Olin

• Same eraHaroldLike Olin, it was given most in the 1920s.#991 · steady
• Same rhythmKabirSame beat as Olin: two syllables, stress on the first, ending on a consonant, but it starts differently.#999 · steady
• ShorterLevOne syllable to Olin's two, so you can tell them apart when you call both.#999 · steady
• LongerEphraimThree syllables to Olin's two: a long name beside a short one keeps them distinct.#988 · steady
• RiskyColinOne letter away from Olin. You'll call the wrong one for years.#343 · steady

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.