Liba sits next to 4 phonetic neighbors — Luba, Lieba, and Liva are the closest matches by sound. Most share Liba's Yiddish/Germanic-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"my heart, beloved"
"female bird"
"peace, safe and sound"
"high-born, sublime"
"luminous, radiant"
"illumination, radiance"
"beautiful, pleasant"
"afflicted by God"
"to God, consecrated to God"
"victory, triumph"
"grace, favor (from Ana/Hannah)"
"night of God"
"star, radiant one"
"God has helped"
"rose island (geographic reference to Rhodes)"
"fame"
"good, goodness"
"flower"
Similar sound: These names share phonetic patterns with Liba — 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 Liba.
Rhythm: Liba is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.