Simon sits next to 4 phonetic neighbors — Simeon, Silas, and Cymon are the closest matches by sound. Most share Simon's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"he has heard, God has heard"
"title of honor, great one"
"God is my power"
"phonetic creation, no traditional meaning"
"from Santino (little saint)"
"bear-king, bear-man"
"superlative of magnus (great)"
"Yahweh remembers"
"man from Lucania"
"of the Julian clan, youthful"
"peaceful ruler"
"descendant of the little king"
"sea, ocean"
"park, game preserve"
"son of Madoc"
"ruler of the army"
"God will strengthen"
"crown, wreath"
"lives near reeds"
Similar sound: These names share phonetic patterns with Simon — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew origins, giving them the same cultural heritage as Simon.
Rhythm: Simon is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.