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"Aislado" is a form of "aislado", an adjective which is often translated as "isolated". "Rechazado" is a form of "rechazado", an adjective which is often translated as "rejected". Learn more about the difference between "aislado" and "rechazado" below.
aislado()
An adjective is a word that describes a noun (e.g., the big dog).
1. (remote)
a. isolated
Mi tío vive en un pueblo aislado en las montañas.My uncle lives in an isolated village in the mountains.
3. (sporadic)
a. isolated (case, incident)
Fue un caso aislado de esta extraña enfermedad.It was an isolated case of this strange sickness.
rechazado, el rechazado, la rechazada
An adjective is a word that describes a noun (e.g., the big dog).
This means that the noun can be masculine or feminine, depending on the gender of the noun it refers to (e.g., el doctor, la doctora).