machine learning vs classifier

machine learning and classifier both are nouns.

Word	Noun	Adjective	Verb	Adverb
machine learning	Yes	No	No	No
classifier	Yes	No	No	No

machine learning (noun)	classifier (noun)
a subfield of computer science that explores the study and construction of algorithms that can learn from and make predictions on data.	an algorithm that implements classification.
	a word or morpheme used in some languages in certain contexts (such as counting) to indicate the semantic class to which the counted item belongs
	a person who creates classifications