moment vs present moment

moment and present moment both are nouns.

Word	Noun	Adjective	Verb	Adverb
moment	Yes	No	No	No
present moment	Yes	No	No	No

As nouns, moment and present moment are synonyms defined as:

Other synonyms of moment include here and now.

moment (noun)	present moment (noun)
having important effects or influence	at this time
the n-th moment of a distribution is the expected value of the n-th power of the deviations from a fixed value
a turning force produced by an object acting at a distance (or a measure of that force)
a particular point in time
an indefinitely short time
at this time