Kalman sits next to 4 phonetic neighbors — Kaleb, Calvin, and Colman are the closest matches by sound. Most share Kalman's Slavic cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"beautiful name"
"urbane, sophisticated"
"God is my joy"
"father of light"
"my God is Yahweh"
"divine protection"
"of the royal house, noble"
"famous throughout the land"
"gift, wealthy"
"prince of God"
"God is beloved"
"work of God"
"elf army (alternative theory)"
"God will strengthen, strengthened by God"
"my light (variant of Lior)"
"daytime, daylight"
"rye farmer"
"faithful as a dog"
"defender of mankind"
"tailor, one who cuts cloth"
Similar sound: These names share phonetic patterns with Kalman — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek via Hebrew origins, giving them the same cultural heritage as Kalman.
Rhythm: Kalman is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.