Robin

• Same eraLeslieLike Robin, it was given most in the 1960s.#712 · steady
• Same rhythmMerrittSame beat as Robin: two syllables, stress on the first, ending on a consonant, but it starts differently.#703 · rising
• ShorterDrewOne syllable to Robin's two, so you can tell them apart when you call both.#705 · rising
• LongerAlenaThree syllables to Robin's two: a long name beside a short one keeps them distinct.#707 · 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.