Jetson sits next to 3 phonetic neighbors — Jaxon, Jensen, and Jeston are the closest matches by sound. Most share Jetson's Modern American-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"son of Jet, swift one"
"from the brae (hillside) + lin (pool)"
"noble and peaceful"
"ocean, soaring sea"
"modern invented name"
"steep hill meadow"
"to wander, traveler"
"settlement by the sea"
"chosen deliverer, consecrated leader"
"bright, splendid"
"rowan tree"
"raven's island"
"ruler of the world"
"grace, blessing"
"large homestead"
"settlement by the pool"
"peace of the father"
"powerful natural force"
"crooked hill; bent (cam) nose (sron)"
"rocky stream"
"hilltop estate"
Similar sound: These names share phonetic patterns with Jetson — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Modern American origins, giving them the same cultural heritage as Jetson.
Rhythm: Jetson is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.