Simon

• Same eraAriannaLike Simon, it was given most in the 2010s.#234 · falling
• Same rhythmPalmerSame beat as Simon: two syllables, stress on the first, ending on a consonant, but it starts differently.#232 · rising
• ShorterWrenOne syllable to Simon's two, so you can tell them apart when you call both.#231 · rising
• LongerKiaraThree syllables to Simon's two: a long name beside a short one keeps them distinct.#229 · rising
• RiskySimoneOne letter away from Simon. You'll call the wrong one for years.#995 · 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.