Jet sits next to 4 phonetic neighbors — Jett, Brett, and Net are the closest matches by sound. Most share Jet's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"black gemstone (fossilized wood)"
"of the sea (possible etymology)"
"bold, fearless one"
"strong-willed warrior"
"fair, white, bright"
"crown"
"wish, desire, ideal (Persian variant Arman)"
"the Lord is my God"
"new house, bright"
"bold place, wild settlement"
"resolute protector"
"warrior"
"wine and grain"
"aristocratic, of high birth"
"quiet, calm, reserved"
"tall like a palm tree"
"one who carves, wood-carver"
"from the place of wide waters"
"safe harbor, place of refuge"
"strip-shaped clearing in woodland"
"people's champion"
Similar sound: These names share phonetic patterns with Jet — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old French/Greek origins, giving them the same cultural heritage as Jet.
Rhythm: Jet is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.