data point vs datum

data point and datum both are nouns.

Word	Noun	Adjective	Verb	Adverb
data point	Yes	No	No	No
datum	Yes	No	No	No

As nouns, data point and datum are synonyms defined as:

data point and datum: an item of factual information derived from measurement or research

data point (noun)	datum (noun)
an item of factual information derived from measurement or research	an item of factual information derived from measurement or research