Treva sits next to 3 phonetic neighbors — Trevor, Trev, and Trevar are the closest matches by sound. Most share Treva's Welsh cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"homestead, settlement"
"strong, vigorous"
"the road, the path"
"true, genuine"
"peace, peaceful"
"relating to the Amish community"
"mind, spirit, heart"
"from Burgundy, France"
Similar sound: These names share phonetic patterns with Treva — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Cornish origins, giving them the same cultural heritage as Treva.
Rhythm: Treva is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.