scheme vs untruth

scheme and untruth both are nouns.

Word	Noun	Adjective	Verb	Adverb
scheme	Yes	No	Yes	No
untruth	Yes	No	No	No

As nouns, untruth is a hypernym of scheme; that is, untruth is a word with a broader meaning than scheme:

Other hypernyms of scheme include falsehood, falsity.

scheme (noun)	untruth (noun)
an elaborate and systematic plan of action	a false statement
an internal representation of the world; an organization of concepts and actions that can be revised by new information about the world
a schematic or preliminary plan
a statement that evades the question by cleverness or trickery
a group of independent but interrelated elements comprising a unified whole

scheme (verb)	untruth (verb)
form intrigues (for) in an underhand manner
devise a system or form a scheme for