vs
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"S" is a noun which is often translated as "s", and "delicioso" is an adjective which is often translated as "delicious". Learn more about the difference between "s" and "delicioso" below.
la s()
A feminine noun is almost always used with feminine articles and adjectives (e.g., la mujer bonita, la luna llena).
An abbreviation is the shortened form of a word or group of words (e.g., "UFO" = "unidentified flying object"; "p." = "page").
delicioso()
An adjective is a word that describes a noun (e.g., the big dog).