Tania sits next to 4 phonetic neighbors — Tanya, Tatiana, and Sonia are the closest matches by sound. Most share Tania's Russian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"of the Tatius family"
"fate, destiny"
"goddess, divine"
"gentle, beautiful, precious"
"bright, shining light"
"new, fresh start"
"short form of Fiona or Sofia"
"life, wished-for child"
"mercy (if from Eleanor)"
"lapis lazuli blue"
"God is gracious"
"beautiful, pretty"
"crown, garland, wreath"
"famous warrior"
"from the Isle of Capri"
"lady, woman"
"defender of the people"
"passionate, spirited"
"to esteem, to value (from aestimare)"
"holy stone settlement"
"noble, of noble kind"
Similar sound: These names share phonetic patterns with Tania — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin origins, giving them the same cultural heritage as Tania.
Rhythm: Tania is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.