Joann sits next to 4 phonetic neighbors — Joan, Joanne, and Jo-Ann are the closest matches by sound. Most share Joann's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"full of grace"
"Pax's town, peaceful settlement"
"descendant of the helpful one"
"battle woman, warrior"
"measured motion, proportion"
"friend"
"happiness, joy"
"feminine diminutive of Antoine/Anthony"
"olive tree"
"son/daughter of Kenneth"
"follower of Christ"
"brave and powerful"
"pearl"
"young woman"
"petite and feminine (French diminutive)"
"disclosure, sincerity"
"pure, innocent"
"to be full, abundant"
"carp fish; symbol of perseverance and good luck"
"hazel meadow"
"little king, royal one"
Similar sound: These names share phonetic patterns with Joann — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew origins, giving them the same cultural heritage as Joann.
Rhythm: Joann is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.