manner vs mode

manner and mode both are nouns.

Word	Noun	Adjective	Verb	Adverb
manner	Yes	No	No	No
mode	Yes	No	No	No

As nouns, manner and mode are synonyms defined as:

Other synonyms of manner include fashion, style, way.

manner (noun)	mode (noun)
a way of acting or behaving	how something is done or how it happens
how something is done or how it happens	the most frequent value of a random variable
a kind	any of various fixed orders of the various diatonic notes within an octave
	a classification of propositions on the basis of whether they claim necessity or possibility or impossibility
	verb inflections that express how the action or state is conceived by the speaker
	a particular functioning condition or arrangement