Teng sits next to 4 phonetic neighbors — Peng, Deng, and Meng are the closest matches by sound. Most share Teng's Chinese cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"galloping horse"
"boar strength, eastern"
"divine protection; god-protector"
"rock, stone"
"Likely a variant of Gareth or Garrion; possibly meaning spear beare..."
"successor, deputy, leader"
"barrier breaker, obstacle remover"
"noble warrior"
"goddess of flowers and spring"
"The letter G; an expression of surprise or emphasis"
"possessing grace and beauty"
"the monsoon month (Bengali tradition)"
"tile maker, tiler"
"time, era"
"Rice; brightness"
"pleasant, agreeable"
"fortunate in battle"
Similar sound: These names share phonetic patterns with Teng — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Chinese origins, giving them the same cultural heritage as Teng.
Rhythm: Teng is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.