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"Cuñada" is a noun which is often translated as "sister-in-law", and "cuñado" is a noun which is often translated as "brother-in-law". Learn more about the difference between "cuñada" and "cuñado" below.
la cuñada(
koo
-
nyah
-
dah
)A feminine noun is almost always used with feminine articles and adjectives (e.g., la mujer bonita, la luna llena).
el cuñado(
koo
-
nyah
-
doh
)A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).