I don't like these names, sorry...
Starting with same letter, ending with same sound and same number of syllables:
Nathalie & Noémi (
Noemi)
Kalea &
KerensaNatalie &
NaomiDanica &
DelilahAvalon &
AnemoneAurelia &
AzaleaLeda & Lilah (/
Lila)
Stella &
SoraSerena &
Sabela