Mariena sits next to 3 phonetic neighbors — Mariana, Marianna, and Marienna are the closest matches by sound. Most share Mariena's Italian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"bitter, beloved"
"crown"
"spear ruler, noble one"
"victorious one"
"famous warrior (from Germanic Ludwig roots)"
"man of valor, super valor"
"child of abundant grace"
"victory of the people"
"grace, favor (from Hannah root)"
"dark-complexioned warrior"
"invented American name of phonetic origin"
"the bitter one"
"Crown or garland; diminutive of Stephanie"
"settlement in the valley, valley town"
"famous"
"bright one, radiant"
Similar sound: These names share phonetic patterns with Mariena — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew via Maria origins, giving them the same cultural heritage as Mariena.
Rhythm: Mariena is a 4-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.