Fredric sits next to 4 phonetic neighbors — Frederick, Fredrik, and Fredrick are the closest matches by sound. Most share Fredric's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"peaceful ruler"
"character name meaning transformation and power"
"companion, friend (Old English origin)"
"short form of Reinhard (pure heart) or Reinier"
"Fortune, riches"
"modern invented name"
"one who lives in a valley"
"son of a free man"
"creative elaboration of Quinton/Quentin"
"responsive song, call-and-response music"
"strength of God"
"possibly from Celtic 'avon' (river)"
"kingly power"
"Descendant of the cloud; son of Neil"
"bright town"
"revered king"
"thorny shrub, wild rose"
"strength, authority, force"
"divine strength"
"divine, godly"
Similar sound: These names share phonetic patterns with Fredric — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old High German origins, giving them the same cultural heritage as Fredric.
Rhythm: Fredric is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.