moment vs significance

moment and significance both are nouns.

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

As nouns, significance is a hypernym of moment; that is, significance is a word with a broader meaning than moment:

moment (noun)	significance (noun)
having important effects or influence	the quality of being significant
the n-th moment of a distribution is the expected value of the n-th power of the deviations from a fixed value	a meaning that is not expressly stated but can be inferred
a turning force produced by an object acting at a distance (or a measure of that force)	the message that is intended or expressed or signified
a particular point in time
an indefinitely short time
at this time