Henrik sits next to 4 phonetic neighbors — Henry, Henrick, and Hendrick are the closest matches by sound. Most share Henrik's German-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"home ruler"
"the Lord supports"
"power, strength, ruler"
"appointed by God"
"leader, commander (variant interpretation)"
"treasurer, keeper of treasure"
"serious, determined, vigorous"
"from the Eider river"
"venerable, revered"
"manly, brave"
"great"
"victory of the people"
"slender and fair"
"famous wolf"
"old, wise, of noble birth"
"short form of Benjamin: son of the right hand"
"bright-headed"
"manly, brave, strong"
"ruler, sovereign (from Julius Caesar's name)"
"crown, wreath"
Similar sound: These names share phonetic patterns with Henrik — 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 Henrik.
Rhythm: Henrik is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.