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"
"power, might"
"fair; white; bright"
"craftsman, smith"
"rocky hill, outcropping"
"possibly derived from Noah (rest, comfort)"
"openness, frankness, sincerity"
"western meadow"
"rallying banner"
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.