Khang sits next to 4 phonetic neighbors — Kang, Chang, and Gang are the closest matches by sound. Most share Khang's Chinese cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"strong, healthy, prosperous"
"of the southern province"
"the world, earthly realm"
"modern coined name, possibly hillside light"
"God is gracious"
"after, behind (positional)"
"invented modern name"
"of the Jordan River"
"victory of the people"
"land of the East Saxons"
"ancient, enduring"
"natural, undomesticated"
"lord, master, ruler"
"pleasing, charming"
"home, restful place"
"Cuban creative variant of biblical names"
"modern creative variant"
"God has heard (from Ja-/Jacob root) + spirit of battle (from Kayden)"
"faithful one"
"divine, worthy of worship"
"victory"
Similar sound: These names share phonetic patterns with Khang — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Chinese/Vietnamese origins, giving them the same cultural heritage as Khang.
Rhythm: Khang is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.