flection vs difference

flection and difference both are nouns.

Word	Noun	Adjective	Verb	Adverb
flection	Yes	No	No	No
difference	Yes	No	No	No

As nouns, difference is a hypernym of flection; that is, difference is a word with a broader meaning than flection:

Other hypernyms of flection include departure, deviation, divergence.

flection (noun)	difference (noun)
deviation from a straight or normal course	the quality of being unlike or dissimilar
the state of being flexed (as of a joint)	a disagreement or argument about something important
	a variation that deviates from the standard or norm
	the number that remains after subtraction; the number that when added to the subtrahend gives the minuend
	a significant change