Many new words were nominated for this year's buzzword awards.
new vocabulary item; new word (to learn)
Used in educational contexts for a word that is newly introduced in a textbook or lesson, or that a learner is encountering for the first time.
In today's class we learned ten new vocabulary words.
Young people coined a new word on social media.
I try to learn five new words every day.
Many new words have emerged along with the spread of the internet.
That new word is set to be added to next year's dictionary.
An interesting new word became popular this year.
流行語 is a buzzword that is currently trendy, whereas 新語 is just any newly appeared word, popular or not.
Compound of 新 (new) and 語 (word, language). The term is a straightforward Sino-Japanese formation.
I looked up the meaning of the new word that appeared in the textbook.