Holly sits next to 5 phonetic neighbors — Hollis, Hawley, and Holloway are the closest matches by sound. Most share Holly's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"dweller near the holly trees"
"chosen, judged"
"guardian of prosperity"
"Royal meadow; kings clearing"
"rose"
"Border land by the meadow"
"free one, Frankish person"
"holly tree, evergreen plant with red berries"
"flat plain, fertile coastal plain of Israel"
Similar sound: These names share phonetic patterns with Holly — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old English origins, giving them the same cultural heritage as Holly.
Rhythm: Holly is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.