Doreen sits next to 4 phonetic neighbors — Dora, Dorene, and Coreen are the closest matches by sound. Most share Doreen's Irish-rooted cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"gift of God"
"white wave"
"white wave, fair phantom"
"little Mikhail, little Michael"
"golden meadow"
"land of the Britons"
"new beginning, new life"
"son of the gray-haired one"
"patron of music and musicians"
"dear ones"
"grace, eternal"
"precious gemstone, treasure"
"blooming, fertility"
"candle, vigil light"
"beloved, precious"
"victory meadow"
"shadow, shade"
"man of prayer"
"beloved one"
"new house, bright"
"sea and sky"
Similar sound: These names share phonetic patterns with Doreen — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek via Irish origins, giving them the same cultural heritage as Doreen.
Rhythm: Doreen is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.