which of the following is the best definition of suffix?
a device used to one learn and remember new vocabulary terms
one or more syllables placed at the end of a base, or root, word
the basic part of a word that is also the source of its essential meaning
one or more syllables placed in front of a base, or root, word

one or more syllables placed at the end of a base, or root, word

Explanation:

A suffix is a morpheme that is attached to a word at the end of it to form a new word, when this happens an adjective or verb is changed to a noun.

For example "lowly", the suffix is "ly".

Suffix could also change the grammatical function of the word it is b+added to e.g play a verb is changed to ''player'' a noun through the suffix "-er".

- "the basic difference between keywords and subjects is that subjects (or "subject headings") have been predetermined, while keywords have not. a keyword is an easy place to start because you can use any word that seems to fit your search; this is called "natural language" searching."