Lye

Definition:

(n.) A strong caustic alkaline solution of potassium salts, obtained by leaching wood ashes. It is much used in making soap, etc.
(n.) A short side line, connected with the main line; a turn-out; a siding.
(n.) A falsehood.

Compare lye with other words:

falsity vs. lye

falsehood vs. lye

graining vs. lye

lixiviate vs. lye

alkaline vs. lye