Christoper

• Same eraMathewLike Christoper, it was given most in the 1980s.#973 · falling
• Same rhythmEphraimSame beat as Christoper: three syllables, stress on the first, ending on a consonant, but it starts differently.#988 · steady
• ShorterKabirTwo syllables to Christoper's three, so you can tell them apart when you call both.#999 · steady
• LongerAureliusFour syllables to Christoper's three: a long name beside a short one keeps them distinct.#991 · rising
• RiskyChristopherOne letter away from Christoper. You'll call the wrong one for years.#68 · 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.