Havana sits next to 3 phonetic neighbors — Savannah, Hannah, and Avana are the closest matches by sound. Most share Havana's Spanish-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"port, harbor"
"rose, beautiful flower"
"precious, dear one (variant interpretation)"
"strong, manly (feminine adaptation)"
"old friend"
"sun goddess, solar"
"belonging to God, of the Lord"
"help, caring"
"air, atmosphere, breeze"
"divine sky child"
"eldest daughter"
"god, divine spirit"
"ruler, leader"
"son of Nicholas"
"miracle"
"to worship, to cherish"
"youthful, soft-haired (from Julia/Julius)"
"I adore, I love"
"bright fame"
"sea dragon, small"
"one who resists authority, defiant"
Similar sound: These names share phonetic patterns with Havana — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Spanish/Taino origins, giving them the same cultural heritage as Havana.
Rhythm: Havana is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.