Kaleth sits next to 4 phonetic neighbors — Caleb, Gareth, and Kaleb are the closest matches by sound. Most share Kaleth's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"invented name, possibly faithful or gentle"
"one who catches fish"
"one who shines, illuminates"
"crooked nose, bent river"
"God is my rock"
"cliff settlement"
"God is gracious and humble"
"boundary gate"
"dark one, little dark one"
"cellar keeper, wine steward"
"safe, unharmed (proposed etymology)"
"noble and peaceful"
"crown, wreath"
"priest's meadow, clearing"
"from the forest, woodland dweller"
"from the brae (hillside) + lin (pool)"
"my help is God"
"woodland clearing used for hunting"
"savior, one who saves"
"little red-haired one"
"one touched by good fortune"
Similar sound: These names share phonetic patterns with Kaleth — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Modern English origins, giving them the same cultural heritage as Kaleth.
Rhythm: Kaleth is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.