Kruz sits next to 3 phonetic neighbors — Cruz, Cruise, and Crews are the closest matches by sound. Most share Kruz's Spanish-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"cross"
"gift of God"
"the promised land"
"from Saint Denis"
"modern invented name"
"coal farm"
"of Mars, warlike"
"son of Anne, son of Agnes"
"son of Brand, son of the sword"
"God's vineyard"
"craftsman of fermented beverages"
"people's champion"
"dark-skinned, Moorish"
"salvation of God"
"spear ruler"
"modern invented name, possibly 'sincere air' or 'great river'"
"uncertain, possibly Norse or Welsh origin"
"grey hill, army hill"
"dragon, serpent"
"blessed"
"victory of the people"
Similar sound: These names share phonetic patterns with Kruz — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Spanish/Latin origins, giving them the same cultural heritage as Kruz.
Rhythm: Kruz is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.