Jon

• Same eraDarlaLike Jon, it was given most in the 1960s.#941 · rising
• Same rhythmLoveSame beat as Jon: one syllable, ending on a consonant, but it starts differently.#955 · steady
• LongerMilenaTwo syllables to Jon's one: a long name beside a short one keeps them distinct.#950 · steady
• RiskyJoyOne letter away from Jon. You'll call the wrong one for years.#419 · 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.