Hendrick sits next to 4 phonetic neighbors — Henrik, Hendrik, and Henry are the closest matches by sound. Most share Hendrick's Dutch-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"ruler of the home"
"man of the people"
"shoulder, axle (folk etymology)"
"shelter, protection"
"noble elder"
"famous in battle"
"rigid airship (named for Count Ferdinand von Zeppelin)"
"wooded land"
"treasurer, keeper of treasure"
"trickster, shapeshifter"
"defender of men"
"army guard, protecting warrior"
"short form of Kipling or Christopher"
"invented name; possibly son of the fearless one"
"victory of the people"
"victors garland"
"white, silver"
"emperor, supreme ruler"
"eagle power, eagle ruler"
Similar sound: These names share phonetic patterns with Hendrick — 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 Hendrick.
Rhythm: Hendrick is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.