Haddie sits next to 4 phonetic neighbors — Hattie, Maddie, and Addie are the closest matches by sound. Most share Haddie's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"home ruler (as short for Harriet/Henrietta)"
"graceful, beautiful"
"wave"
"divine gift"
"ram"
"defender of people"
"a falling, a flowing"
"desired, wished for"
"from the lake, lake-born"
"shade, shadow"
"sun gift (Sunniva variant)"
"brave in battle, vigilant in war"
"ash tree settlement"
"follower of Christ"
"diminutive endearment"
"modern invented combination name"
"bright, shining one"
"prophetess, oracle"
"to forgive, release"
"first light of day, sunrise"
"bright, shining light"
Similar sound: These names share phonetic patterns with Haddie — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Germanic heim + ric origins, giving them the same cultural heritage as Haddie.
Rhythm: Haddie is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.