Nathalie sits next to 3 phonetic neighbors — Natalie, Natalia, and Natalee are the closest matches by sound. Most share Nathalie's French-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"born on Christmas Day"
"all-encompassing, entire"
"my life (ma vie)"
"pearl (short form of Margaret)"
"dedicated to Mars"
"striving to excel"
"anointed one"
"free woman"
"mighty in battle, strength in battle"
"weapon, mace-bearer"
"land power"
"pure, holy, chaste"
"dark settlement, coal village"
"brave as a bear"
"grace, favor"
"lame, the lame one"
"precious gem"
"noble, bright power"
Similar sound: These names share phonetic patterns with Nathalie — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin origins, giving them the same cultural heritage as Nathalie.
Rhythm: Nathalie is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.