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"Presunta" is a form of "presunto", an adjective which is often translated as "supposed". "O" is a conjunction which is often translated as "or". Learn more about the difference between "o" and "presunta" below.
o, la o(
oh
)A conjunction is a word that connects words, phrases, clauses, or sentences (e.g., The cat and the dog slept.).
a. either...or
Terminarás tu tarea o por las buenas o por las malas.You're going to finish your homework either the easy way or the hard way.
3. (otherwise)
a. or
La residencia del presidente de los Estados Unidos, o Casa Blanca, fue construida en 1790.The residence of the President of the United States, or the White House, was built in 1790.
A feminine noun is almost always used with feminine articles and adjectives (e.g., la mujer bonita, la luna llena).
presunto(
preh
-
soon
-
toh
)An adjective is a word that describes a noun (e.g., the big dog).
1. (assumed)
2. (named)
a. so-called
Descubrí que mis presuntos amigos me robaban dinero.I found out that my so-called friends stole money from me.
a. presumptive
El príncipe Felipe es el presunto heredero del trono.Prince Felipe is the presumptive heir to the throne.