Kross sits next to 3 phonetic neighbors — Cross, Knox, and Cruz are the closest matches by sound. Most share Kross's Old Norse/Latin-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"cross, crossroads"
"of the lyre, lyric poetry"
"castle, fortress, palace"
"that which is true or real"
"built by the Lord"
"ruler of the people"
"ash tree"
"army guard, protecting warrior"
"Canaan, land of merchants"
"power of the tribe"
"ruler of the sea"
"broad valley"
"gift of God, God is salvation"
"mighty peace"
"pierces the valley"
"son of Case; from the marsh"
"he who causes distress"
"territory of Owen"
"the color gray"
"from the pool or marsh"
"peninsula, point of land"
Similar sound: These names share phonetic patterns with Kross — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old Norse/Latin origins, giving them the same cultural heritage as Kross.
Rhythm: Kross is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.