Reid sits next to 4 phonetic neighbors — Reed, Read, and Reede are the closest matches by sound. Most share Reid's Scottish cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"red-haired, ruddy complexion"
"son of Matthew, gift of God"
"tree bower, shaded alcove"
"woodland, of the forest"
"divine, royal"
"modern invented name"
"spear of strength"
"lake-elm place"
"peaceful, gentle"
"God is gracious"
"graceful, beautiful"
"high chief, exalted one"
"the autumn season, time of reaping crops"
"lake, body of still water"
"silver one, the bright"
"gold, golden"
"consecrated to God"
"gift from God (secondary folk etymology)"
"one who brings good luck"
"light, torch"
"cherished by heaven"
Similar sound: These names share phonetic patterns with Reid — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old Scottish / Old English origins, giving them the same cultural heritage as Reid.
Rhythm: Reid is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.