Tanya sits next to 4 phonetic neighbors — Tania, Tonya, and Tara are the closest matches by sound. Most share Tanya's Russian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"fairy queen"
"light"
"green island, Erin's land"
"queen of the gods (variant of Juno)"
"my God is an oath"
"new, bright star"
"gracious, mild"
"flowering shrub"
"modern invented extension of Quinn"
"Saint Botolph's town"
"high clearing in woodland"
"water lady (indigenous)"
"fair warrior"
"wished-for child of grace"
"red, crimson"
"grace, favor"
"born in May; spring child"
"rye clearing"
"noble, bright"
"victory of the people"
"a short novel, fictional narrative"
Similar sound: These names share phonetic patterns with Tanya — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Slavic folk etymology origins, giving them the same cultural heritage as Tanya.
Rhythm: Tanya is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.