Eros sits next to 3 phonetic neighbors — Ares, Heros, and Cyrus are the closest matches by sound. Most share Eros's Greek-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"primordial force of attraction"
"supplanter, he who follows at the heel"
"God has helped"
"difficult journey"
"victory of the people"
"land of mountains"
"eagle"
"protector of mankind"
"from the Germanic people"
"God is gracious"
"divine, of Zeus"
"order, universe"
"guardian spirit, divine being"
"power of the gods"
"mountain"
"qualitative time, the fullness of time"
"famous warrior"
"noble wolf"
"priceless, praiseworthy"
Similar sound: These names share phonetic patterns with Eros — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Ancient Greek origins, giving them the same cultural heritage as Eros.
Rhythm: Eros is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.