There are also the Nailín or Nayleen variants. It is considered a variant of Naila (diminutive of that name). It is a woman's name of Arab origin and means woman with big eyes or beautiful eyes. In the United States it is also last name.
NAYLIN proper name and sometimes also surname. There have been 120 Naylin named births in the United States from 2002 to 2020. It has no definite meaning.