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"
"wolf's shield"
"crooked hill; bent (cam) nose (sron)"
"deep blue color"
"modern invented name"
"from Kent, the English county"
"God is my rock"
"devotee of Saint Columba"
"bright-headed warrior"
"divine power"
"mourning (symbolic)"
"order, universe"
"sweet-smelling resin"
"guardian of riches"
"rich friend"
"He has given (divine gift)"
"land power, territorial lord"
"stubborn one"
"rowan tree"
"fox"
"from Leicester"
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.