Le

• Same eraMathewLike Le, it was given most in the 1980s.#973 · falling
• Same rhythmJoeSame beat as Le: one syllable, ending on a vowel sound, but it starts differently.#991 · falling
• LongerKabirTwo syllables to Le's one: a long name beside a short one keeps them distinct.#999 · steady
• RiskyLeoOne letter away from Le. You'll call the wrong one for years.#19 · 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.