Tedrina sits next to 4 phonetic neighbors — Theodora, Audrina, and Katerina are the closest matches by sound. Most share Tedrina's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"gift of God; feminine form derived from Theodore"
"close friend, beloved companion"
"invented name combining Ken- (knowledge, vision) and -sha (feminine..."
"bright, flowing one (invented blend)"
"elder sister"
"little ruler; queenly"
"God will increase"
"The Lord is my God; elevated, on high"
"Modern creative elaboration; victory (via Latoya root)"
Similar sound: These names share phonetic patterns with Tedrina — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek origins, giving them the same cultural heritage as Tedrina.
Rhythm: Tedrina is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.