Grayson sits next to 4 phonetic neighbors — Greyson, Mason, and Jackson 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
"son of the gray-haired one"
"dhyana — meditative absorption"
"giving shelter; sky-born"
"God is my light"
"noble, bright"
"beautiful, lovely"
"well-born, of noble birth"
"blessed, fair one"
"sacred maile vine, fragrant offering"
"dweller by the lake"
"riverbank with a windlass"
"trade wind"
"royal, celestial (via lani)"
"precious gem, jewel"
"something precious and greatly valued"
"jasmine flower (Persian origin)"
"supplanter, one who follows"
"lake, waterfall (from Welsh -lynn)"
"grey land, rocky ground"
"from the Afton River"
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.