Hollie sits next to 4 phonetic neighbors — Holly, Mollie, and Polly are the closest matches by sound. Most share Hollie's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"holly tree, evergreen plant"
"high hill"
"free woman"
"alluring rock, murmuring rock"
"heavenly, royal, of the sky"
"graceful, beautiful"
"to know, perceive"
"graceful, unique"
"lovely, beautiful beloved"
"fair and smooth, white phantom"
"crown, wreath"
"brave lion"
"noble clearing"
"elaboration of Jana/Janae"
"strength, power"
"the awaited one"
"bright red cloth"
"church official's descendant"
"work, industrious"
"life, living (via Eve association)"
"flower, blooming beauty"
Similar sound: These names share phonetic patterns with Hollie — 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 Hollie.
Rhythm: Hollie is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.