Blitz sits next to 4 phonetic neighbors — Fritz, Blix, and Bliss are the closest matches by sound. Most share Blitz's German-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"lightning"
"possibly derived from Noah (rest, comfort)"
"line of rulers, powerful family succession"
"fair; white; bright"
"rocky hill, outcropping"
"artisan, worker in hard materials"
"western meadow"
"rallying banner"
"brilliant whiteness, purity"
Similar sound: These names share phonetic patterns with Blitz — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have German origins, giving them the same cultural heritage as Blitz.
Rhythm: Blitz is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.