variance vs variegation

variance and variegation both are nouns.

Word	Noun	Adjective	Verb	Adverb
variance	Yes	No	No	No
variegation	Yes	No	No	No

As nouns, variegation is a hyponym of variance; that is, variegation is a word with a more specific, narrower meaning than variance:

Other hyponyms of variance include variedness, personal equation, casualness.

variance (noun)	variegation (noun)
an activity that varies from a norm or standard	the act of introducing variety (especially in investments or in the variety of goods and services offered)
an official dispensation to act contrary to a rule or regulation (typically a building regulation)	variability in coloration
a difference between conflicting facts or claims or opinions
the quality of being subject to variation
the second moment around the mean; the expected value of the square of the deviations of a random variable from its mean value
discord that splits a group
an event that departs from expectations