Marlowe sits next to 3 phonetic neighbors — Harlow, Marlow, and Carlo are the closest matches by sound. Most share Marlowe's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"remnants of a lake, driftwood"
"companion, friend"
"ancestor's descendant"
"deer, stag"
"large homestead, settlement (via Trevor)"
"blooming, flourishing"
"settlement in the brushwood"
"eternal, immortal"
"brave and hardy"
"thankful"
"thunder, of Thor"
"Carl's town or farm"
"stone of help"
"God has helped"
"white, silver (ancient root)"
"according to hope, fortunate"
"healer, physician"
"rock (from city of Tyre)"
"visible mass of water droplets in sky"
"dark, black-haired"
Similar sound: These names share phonetic patterns with Marlowe — 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 Marlowe.
Rhythm: Marlowe is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.