Here are the possible solutions for they're not true clue
Answer
Clue
Relevancy
tuggspeedman
Clue
Oscar-winning star of "Tropic Blunder: The True Story Behind the Making of the Most Expensive Fake True War Story Ever" in 2008's "Tropic Thunder"
liars
Clue
They're not true
Definition
LIAR, one that speaks falsely, also LEEAR
lies
Clue
They're not true
Definition
LIE, to make an intentional false statement
devo
Clue
New wave group whose most famous video features a ranch owner whipping the clothes off a woman, which was based on a true story they read in Dude magazine
Definition
(short for) devolution, as in devo max, an arrangement in which a central government transfers the maximum amount of authority to a regional government while still retaining sovereignty over it
dyers
Clue
They don't show their true colors
Definition
DYER, one who dyes
facts
Clue
They're all true
Definition
FACT, something known with certainty
isa
Clue
Cat Stevens "Is it true what they say, that life ___ dream?"
isit
Clue
"___ True What They Say . . . ?"
Definition
(South African) is it? an expression used in response to a statement, sometimes to seek confirmation but often merely to show that one is listening