Anthem sits next to 4 phonetic neighbors — Anton, Anthony, and Antem are the closest matches by sound. Most share Anthem's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"a rousing song of praise or national identity"
"appointed by God"
"Fortune, riches"
"little salmon, little goad"
"divine favor"
"supplanter"
"ridge meadow"
"large homestead, big village"
"illusion, magic"
"modern coinage, no historical meaning"
"divine, godly"
"fair, beautiful"
"little seal"
"strong-willed warrior"
"noble ruler"
"extended form of Zia"
"long hill, ridge settlement"
"anointed one who carries"
"son of Agnes (pure, holy)"
"handsome, beloved"
"bright town"
Similar sound: These names share phonetic patterns with Anthem — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old English via Greek origins, giving them the same cultural heritage as Anthem.
Rhythm: Anthem is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.