Shad sits next to 4 phonetic neighbors — Chad, Brad, and Thad are the closest matches by sound. Most share Shad's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"rejoicing in the way"
"pasture in a marsh"
"protective covering of a flower bud"
"brave in battle, vigilant"
"from the place of the sturgeon"
"watchful, alert, awake"
"eternal ruler, ever powerful"
"rope, cord (from Old French 'corde')"
"natural/sky (possible Polynesian interpretation)"
"thunder of God"
"modern coinage, likely 'ace' + -yn suffix"
"of Mars, warlike"
"language, voice"
"invented name combining familiar American sound elements"
"pure, peaceful"
"spring of water, water gift"
"bold land"
"modern American invention"
"to be filled with wonder and admiration"
"descendant of Braol"
"handsome son"
Similar sound: These names share phonetic patterns with Shad — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew origins, giving them the same cultural heritage as Shad.
Rhythm: Shad is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.