Markos sits next to 4 phonetic neighbors — Marcus, Marcos, and Marco are the closest matches by sound. Most share Markos's Greek-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"of Mars, warlike"
"male, manly"
"victorious one"
"prosperity, blessing"
"lord of the earth, husband of the earth"
"healer"
"rock, stone"
"the hidden one, lady"
"strife, discord"
"lover of earth, earth-born"
"Christ-bearer, bearing the anointed one"
"see, a son is born"
"God is my help"
"crown, garland, wreath of honor"
"constant, steadfast"
"defender of mankind"
"well-pleasing, excellent"
Similar sound: These names share phonetic patterns with Markos — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin origins, giving them the same cultural heritage as Markos.
Rhythm: Markos is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.