Damarius sits next to 3 phonetic neighbors — Darius, Damian, and Marcus are the closest matches by sound. Most share Damarius's Greek-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"gentle, tame"
"opening, window of light"
"son of the wave, born of the sea"
"devoted to the Virgin Mary (Panagia)"
"lively, merry"
"bought land, purchased territory"
"noble heir, royal successor"
"playful one"
"grace, elegance"
"God is gracious (via Shawn)"
"handsome, distinguished"
"to gain, to win, to cultivate"
"from Brittany, land of the Britons"
"calm, healer"
"black, dark-complexioned"
"raven sword, renowned with the blade"
"Beorhtsige's town"
"forward-moving, avant-garde"
"fair warrior, fair hero"
"surname used as given name"
"joyful"
Similar sound: These names share phonetic patterns with Damarius — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek origins, giving them the same cultural heritage as Damarius.
Rhythm: Damarius is a 4-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.