Henrietta sits next to 3 phonetic neighbors — Harriet, Henriette, and Francesca are the closest matches by sound. Most share Henrietta's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"ruler of the home"
"beautiful lion"
"noble"
"loan, gift"
"west meadow"
"mercy (if from Eleanor)"
"watchful, vigilant"
"nocturnal, of the night"
"fair, white, bright"
"God beholds, foresight"
"feminine form of Charles/Karl"
"evergreen; immortality"
"hazel tree woodland clearing"
"spear ruler"
"noble and gentle"
"grace, favor"
"tempestuous, like a storm"
"short form of Isabella"
"Courageous, valiant"
"gazelle, tender"
"Frankish woman, free woman"
Similar sound: These names share phonetic patterns with Henrietta — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Germanic origins, giving them the same cultural heritage as Henrietta.
Rhythm: Henrietta is a 4-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.