Holland sits next to 4 phonetic neighbors — Roland, Harland, and Holden are the closest matches by sound. Most share Holland's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"wooded land"
"heart, spirit"
"disciple of the dove"
"son of Rand, son of the shield-wolf"
"sacred, belonging to the divine"
"blue-purple dye, the color indigo"
"God has been gracious"
"descendant of Riagán"
"crown, wreath"
"modern coined name, variant of Kyson"
"sun, sunshine"
"eagle power, eagle ruler"
"crooked nose; bent river"
"Caesar, imperial leader"
"from the Egnatius family name"
"from Chester (place name)"
"ruler of peace"
"belonging to God"
"horseman, from the Cheviot hills"
"wish, desire, ideal (Persian variant Arman)"
"lion man"
Similar sound: These names share phonetic patterns with Holland — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old Dutch origins, giving them the same cultural heritage as Holland.
Rhythm: Holland is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.