Grayson sits next to 3 phonetic neighbors — Mason, Jason, and Greyson are the closest matches by sound. Most share Grayson's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"From the English surname 'son of the grieve (estate overseer)' or 'son of Gray'; a surname used as a modern first name"
"coal, swarthy"
"variant of Jason"
"wayside land, roadside settlement"
"God is my God"
"stranger, foreigner"
"firm foundation"
"anointed one"
"man from Lucania (region of Italy)"
"handsome young man"
"one who carries"
"asked for, prayed for"
"from the city of Milan"
"defender of men"
"gift of God"
"crooked river, winding stream"
"who is like God?"
"home ruler, estate ruler"
"tile maker, brick layer"
"Italian form of John, gift of God"
"son of James"
Similar sound: These names share phonetic patterns with Grayson — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have English origins, giving them the same cultural heritage as Grayson.
Rhythm: Grayson is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.