Theo

• Same eraAugustLike Theo, it was given most in the 2020s.#81 · rising
• Same rhythmLukaSame beat as Theo: two syllables, stress on the first, ending on a vowel sound, but it starts differently.#85 · rising
• ShorterGaelOne syllable to Theo's two, so you can tell them apart when you call both.#86 · rising
• LongerAdrielThree syllables to Theo's two: a long name beside a short one keeps them distinct.#84 · rising
• RiskyLeoRhymes with Theo. Cute on a birth announcement, confusing across a playground.#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.