Donald

• Same eraMarvinLike Donald, it was given most in the 1930s.#699 · steady
• Same rhythmWestinSame beat as Donald: two syllables, stress on the first, ending on a consonant, but it starts differently.#688 · steady
• ShorterDaxOne syllable to Donald's two, so you can tell them apart when you call both.#692 · falling
• LongerOmariThree syllables to Donald's two: a long name beside a short one keeps them distinct.#686 · falling
• RiskyRonaldOne letter away from Donald. You'll call the wrong one for years.#637 · 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.