Curtis sits next to 2 phonetic neighbors — Cortez and Kurtis are the closest matches by sound. Most share Curtis's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"courteous, well-bred"
"chief friend, noble friend"
"little warrior, young Mars"
"brave in battle, vigilant"
"twin"
"near the holly trees"
"wise protector"
"aspen tree, quaking poplar"
"sandalwood tree"
"king of birds (folkloric)"
"place of hawks, kite's settlement"
"the brown one"
"spear, battle"
"new"
"God sees, God is my strength"
"wise protector"
"renowned warrior"
"father of peace"
"to run fast, a burst of speed"
"companion, fellow traveler"
"divine might"
Similar sound: These names share phonetic patterns with Curtis — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old French origins, giving them the same cultural heritage as Curtis.
Rhythm: Curtis is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.