Sage sits next to 4 phonetic neighbors — Cage, Page, and Gauge are the closest matches by sound. Most share Sage's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"wise person"
"requested of God"
"from Antwerp"
"strong lord, powerful chief"
"son of Emery"
"best"
"enthusiasm, ardent"
"enduring and beautiful"
"son of Karr"
"crooked nose"
"mortal, earthly"
"river, great river"
"of the gens Lucia (light)"
"river that swallows all rivers"
"ever ruler, eternal king"
"rich spear, lucky warrior"
"son of Lawrence"
"ruler of the army"
"consecrated to Mars"
"from Reims"
Similar sound: These names share phonetic patterns with Sage — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old French/Latin origins, giving them the same cultural heritage as Sage.
Rhythm: Sage is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.