Henrick sits next to 4 phonetic neighbors — Henrik, Hendrik, and Henry are the closest matches by sound. Most share Henrick's Scandinavian cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"home ruler, ruler of the estate"
"wolf with a shield"
"son of Dierk (patronymic)"
"to be worthy"
"protector of peace"
"whole, universal"
"son of the brave, warrior"
"son of Mads (Matthew)"
"rainbow"
"raven"
"short; courtly"
"elevated terrain, mountain land"
"chance, good fortune"
"emperor, supreme ruler"
"ruler of the people"
"work-power, vigorous ruler"
"heath dweller, one from the heathlands"
Similar sound: These names share phonetic patterns with Henrick — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Germanic heim + ric origins, giving them the same cultural heritage as Henrick.
Rhythm: Henrick is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.