Pax sits next to 3 phonetic neighbors — Max, Jax, and Rex are the closest matches by sound. Most share Pax's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"peace"
"green/fresh river"
"airplane, aircraft"
"rough waters, hard stream"
"settlement of a sword-bearer"
"will and fame"
"dear, beloved"
"short form of Orlando, famous land"
"pointed mountain, hill"
"old settlement"
"raider, warrior"
"white, fair-complexioned"
"rejoice, delight"
"people's lord"
"small forest, wooded grove"
"raven, crow"
"powerful army"
"nobleman, warrior"
"Dutch diminutive form of Adriaan"
"tile-maker, tiler"
Similar sound: These names share phonetic patterns with Pax — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin origins, giving them the same cultural heritage as Pax.
Rhythm: Pax is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.