Kurtis sits next to 3 phonetic neighbors — Curtis, Kurt, and Cortez are the closest matches by sound. Most share Kurtis's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"courteous, well-bred, polite"
"healer, to heal"
"king, royal"
"lord, prince"
"modern invented name, possibly eight (from Octavian)"
"God is my justice"
"messiah"
"brave in battle (via Casey etymology)"
"small stream, narrow inlet"
"hunting grounds"
"friend of the gods (Germanic tradition)"
"roses"
"wealthy, prosperous"
"shining, bright"
"initials — varies by family"
"son of Rollin, son of Roland"
"from Grantham"
"the people"
"ruler of the spear"
"brother (informal)"
"a million (great abundance, infinite blessing)"
Similar sound: These names share phonetic patterns with Kurtis — 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 Kurtis.
Rhythm: Kurtis is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.