Demetri sits next to 3 phonetic neighbors — Demetrius, Dmitri, and Dimitri are the closest matches by sound. Most share Demetri's Greek-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"lover of the earth"
"son of the grey-haired one"
"of the sea (via Marius)"
"manly, brave, virile"
"variant of Tyson, firebrand"
"enduring, steadfast (via Dante)"
"healer (from Greek root of Jason)"
"defender (Greek mythological meaning)"
"settlement on the ridge, keel town"
"son of Rhys, son of the ardent one"
"modern invented variant of Taylor"
"victory of the people"
"from the Netherlands, of Dutch heritage"
"the Lord is my God"
"sun"
"elaboration of Ahmad (most praised)"
"fragrant spice, sweet bark"
"leopard, swift and fierce"
"Geirrapos island, grassy island"
"hilltop settlement of the friend"
"resolute protector"
Similar sound: These names share phonetic patterns with Demetri — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek origins, giving them the same cultural heritage as Demetri.
Rhythm: Demetri is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.