Floyd sits next to 4 phonetic neighbors — Lloyd, Boyd, and Roy are the closest matches by sound. Most share Floyd's Welsh cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"anglicization of Welsh Llwyd"
"new house, bright place"
"Aromatic herb, salvia"
"little fire"
"first, beginning"
"gift of Yahweh"
"muddy farm or settlement"
"powerful, energetic"
"crowned one, garland-wearer"
"modern American creative name"
"son of Jack"
"Sacred to Juno"
"narrow valley, mountain valley"
"prince, commander"
"powerful army"
"battle"
"brave one, bold and courageous"
"rain, precipitation"
"cowherd's descendant"
"of the Dorians"
"thankful"
Similar sound: These names share phonetic patterns with Floyd — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Welsh origins, giving them the same cultural heritage as Floyd.
Rhythm: Floyd is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.