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"
"eagle land"
"bright friend"
"settlement at the clean/pure place"
"son of Dax"
"free man"
"bold, brave, daring"
"little fire"
"God has remembered"
"bard, poet (from Irish Daimhin)"
"powerful ruler"
"brave, strong boar"
"glowing, scorching"
"fire of Yahweh"
"strength, power"
"short form of Trevor meaning large homestead"
"from the mountains"
"gift (modern American coinage)"
"flat-topped hill settlement"
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.