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"
"possessing grace and beauty"
"elf battle"
"barrier breaker, obstacle remover"
"strong as a bear, brave bear"
"tile maker, tiler"
"Likely a variant of Gareth or Garrion; possibly meaning spear beare..."
"successor, deputy, leader"
"dweller on the eastern estate"
"rock, stone"
"The letter G; an expression of surprise or emphasis"
"God is gracious (Irish/Hebrew origin)"
"flower"
"lover of mankind"
"time, era"
"divine protection; god-protector"
"pleasant, agreeable"
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.