Karol

• Same eraNancyLike Karol, it was given most in the 1950s.#965 · steady
• Same rhythmJaslynSame beat as Karol: two syllables, stress on the first, ending on a consonant, but it starts differently.#995 · rising
• ShorterScoutOne syllable to Karol's two, so you can tell them apart when you call both.#995 · steady
• LongerHarmoniThree syllables to Karol's two: a long name beside a short one keeps them distinct.#1,000 · falling

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.