Drew sits next to 3 phonetic neighbors — Andrew, Drue, and Drew are the closest matches by sound. Most share Drew's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"manly, strong, courageous"
"dweller by wild land"
"son of Ridge"
"glory of the land"
"crooked valley"
"youthful, downy-bearded"
"bald (short for Calvin from Latin Calvinus)"
"fifth"
"greater, superior"
"from the River Clyde"
"tortoise (alternative Japanese reading)"
"administrator of justice"
"of the gens Lucia (light)"
"sun"
"people's victory"
"divinely appointed, called by God"
"descendant of Dorus, Dorian Greek"
"son of David"
"peace, submission to God"
"lover of hounds, hound-desiring"
"son of the lion"
Similar sound: These names share phonetic patterns with Drew — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek origins, giving them the same cultural heritage as Drew.
Rhythm: Drew is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.