Leib sits next to 4 phonetic neighbors — Laib, Leibel, and Lev are the closest matches by sound. Most share Leib's Yiddish/Germanic-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"lion"
"grape"
"dark-skinned"
"eloquent speaker"
"one who forgets"
"servant of Marduk, warrior"
"God has helped"
"peaceful, man of peace"
"prophet, son of Abraham"
"stronghold, fortress"
"God is my strength"
"my God is Yahweh"
"bold, brave"
"one who struggles with God"
"none is like God (rhetorical)"
"shearer of woolen cloth, cloth cutter"
"friendly, sociable"
Similar sound: These names share phonetic patterns with Leib — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Yiddish/Germanic origins, giving them the same cultural heritage as Leib.
Rhythm: Leib is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.