Deann sits next to 3 phonetic neighbors — Diane, Deanna, and Diann are the closest matches by sound. Most share Deann's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"divine, of the gods"
"of the night"
"victorious; conquering"
"Beloved, cherished"
"gift of God"
"little orca, little whale"
"steadfast, constant"
"dawn, first light of day"
"New beginning"
"courageous heart"
Similar sound: These names share phonetic patterns with Deann — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin Diana origins, giving them the same cultural heritage as Deann.
Rhythm: Deann is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.