Cletus sits next to 3 phonetic neighbors — Clive, Curtis, and Titus are the closest matches by sound. Most share Cletus's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"called forth, gloriously summoned"
"he who follows at the heel; supplanter"
"worthy of love"
"bright fame"
"botanical variant name"
"noble, nobility"
"small, little"
"gift"
"famous ruler"
"wealth, fortune, prosperity"
"son of the horse lord"
"happy, carefree, joyous"
"princess, noblewoman"
"hare's meadow, hare clearing"
"flat piece, thin layer"
"sun, moon"
Similar sound: These names share phonetic patterns with Cletus — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek origins, giving them the same cultural heritage as Cletus.
Rhythm: Cletus is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.