Haven sits next to 5 phonetic neighbors — Heaven, Gavin, and Kevin are the closest matches by sound. Most share Haven's Old English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"safe harbor, place of refuge"
"God has given"
"God is my strength, God will strengthen"
"modern invented name"
"little seal"
"cellar keeper, wine steward"
"to listen, to spy out"
"sacred, belonging to the divine"
"divine, of the god of wine"
"high place, hill top"
"modern invented name, possibly 'noble leader'"
"son of Harry, home ruler"
"place of elms"
"one who resembles God"
"scarce, seldom"
"modern invented name"
"name of God"
"river traveler"
"rich friend"
Similar sound: These names share phonetic patterns with Haven — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old English origins, giving them the same cultural heritage as Haven.
Rhythm: Haven is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.