Coy sits next to 3 phonetic neighbors — Roy, Troy, and Joy are the closest matches by sound. Most share Coy's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"quiet, calm, reserved"
"father of peace"
"valley, narrow glen"
"little rock"
"from Leicester"
"strong as an oak"
"pointed hill"
"fair, white (from Finn)"
"from the town, settlement"
"praised (from Judah/Yehuda)"
"king, ruler"
"the Nubian, the southerner"
"beauty, ornament"
"cross, crossroads"
"God is salvation"
"hound of the plain"
"protected by Yahweh"
"one who resembles God"
"that which is true or real"
"oracle, mouth of the serpent"
"tumult, noise"
Similar sound: These names share phonetic patterns with Coy — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old French origins, giving them the same cultural heritage as Coy.
Rhythm: Coy is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.