Cedrick sits next to 4 phonetic neighbors — Cedric, Sedric, and Kendrick are the closest matches by sound. Most share Cedrick's Welsh cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"gift of splendor, bounty"
"of the moon, lunar"
"belonging to the Tiber (sacred river of Rome)"
"from the place called Jersey"
"fair, fair-haired, white"
"short form of Tyler or Tyson"
"thunder"
"modern invented name combining Jay and -ven"
"handsome, beautiful, graceful"
"of Jove (Jupiter), sky father"
"fair, white"
"resolute protector"
"modern invented compound name"
"to thrive, to succeed, prosperous"
"helping stone, memorial stone"
"jay bird + Latin -ian suffix"
"high mountain, exalted"
"vigilant in war, son of Cathasach"
"second of twins"
"dark, black-haired"
"joyful outcry"
Similar sound: These names share phonetic patterns with Cedrick — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Celtic (via literary invention) origins, giving them the same cultural heritage as Cedrick.
Rhythm: Cedrick is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.