Fay sits next to 4 phonetic neighbors — Faith, Faye, and May are the closest matches by sound. Most share Fay's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"fairy, magical being"
"holiest city in Islam"
"something handed down, inheritance"
"wished for child"
"red gemstone"
"little bird"
"noble birth"
"young woman"
"meadow of the fair hero"
"dry, dry earth"
"who is like God?"
"beloved of Yahweh"
"rosy, heathen"
"God is gracious"
"angel of compassion"
"my God is an oath"
"immortal inner self"
"country; land"
"lake clearing"
"son of Finlay (fair-haired hero)"
"snow"
Similar sound: These names share phonetic patterns with Fay — 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 Fay.
Rhythm: Fay is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.