Nona

• Same eraBillieLike Nona, it was given most in the 1930s.#691 · rising
• Same rhythmEliaSame beat as Nona: two syllables, stress on the second, ending on a vowel sound, but it starts differently.#970 · steady
• ShorterScoutOne syllable to Nona's two, so you can tell them apart when you call both.#995 · steady
• LongerHarmoniThree syllables to Nona's two: a long name beside a short one keeps them distinct.#1,000 · falling
• RiskyNoraOne letter away from Nona. You'll call the wrong one for years.#20 · 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.