Harriet sits next to 4 phonetic neighbors — Henrietta, Hattie, and Harriette are the closest matches by sound. Most share Harriet's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"home ruler, estate ruler"
"queen"
"one who sails, seafarer"
"my God is abundance"
"daughter of the sea"
"healthy, whole (heil)"
"endurance, patient suffering"
"rocky hill, hill of kings"
"place of worship, sacred place"
"heavenly, sky (Polynesian element lani)"
"brave as a bear"
"mounted warrior, horseman"
"a bright flowering plant, named after botanist Johann Gottfried Zinn"
"pledged to God, God is my oath"
"youthful (from Julia)"
"home ruler, estate ruler"
"foreigner, guest"
"God's gift of grace"
"moon, moonlike"
"eternal ruler, ever mighty"
"exalted, noble, sublime"
Similar sound: These names share phonetic patterns with Harriet — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Germanic via French origins, giving them the same cultural heritage as Harriet.
Rhythm: Harriet is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.