Sustituta (en. Substitute)

/sus.tiˈtu.ta/

Slang Meanings

Substitute in love.
She is just a substitute, not his true partner.
Ella es solo una sustituta, no su verdadera pareja.
Substitute of luck.
That charm is just a substitute for true good luck.
Ese amuleto es solo una sustituta de la verdadera buena suerte.