Hendrik sits next to 4 phonetic neighbors — Henrik, Hendrick, and Henry are the closest matches by sound. Most share Hendrik's Dutch-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"ruler of the home, home ruler"
"son of Hans (John)"
"beautiful fragrance"
"praiseworthy"
"thunder warrior, thunder bear"
"pure (via Katharina in Norwegian use)"
"pursuer, one who seeks"
"army man, soldier"
"lion"
"wolf-like, fierce hunter"
"scholar, teacher (from Dutch Schuyler)"
"resolute protector"
"modern coined name, Z + sound"
"beloved, darling"
"descendant of a nobleman"
"diminutive of Hans (John)"
"thunder"
Similar sound: These names share phonetic patterns with Hendrik — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Germanic origins, giving them the same cultural heritage as Hendrik.
Rhythm: Hendrik is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.