Cola sits next to 5 phonetic neighbors — Kola, Nola, and Lola are the closest matches by sound. Most share Cola's African-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"victory of the people"
"from the island of Thera"
"pearl"
"joyful, merry, carefree"
"flowering, blooming"
"sixth"
"excellent, outstanding"
"short form of Valerie or Valentina"
"Bright fame; from Germanic elements hrod (fame) and possibly relate..."
"noble and bright"
"resolute protector"
"lily flower"
"of good birth, aristocratic"
"life, living"
"Dweller at the marsh"
Similar sound: These names share phonetic patterns with Cola — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek origins, giving them the same cultural heritage as Cola.
Rhythm: Cola is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.