|complement (v) (n)
Complement is a verb, which means to make something seem better or more attractive when combined.
For example: "The colours blue and green complement each other perfectly."
Compliment is a noun, which means a remark that expresses approval, admiration or respect.
For example: "It was the nicest compliment anyone had ever paid me."
Tip! Having problems with your spelling? Try these mnemonics:-
If it complements something it completes it. (With an e.)
I like compliments. (With an i.)
Thanks to Georgiy Pruss for pointing out my mistake.