factive - (Adjective) (linguistics, of a verb) Licensing only those content clauses that represent claims assumed to be true.
Explanation - You can't say he "discovered" that the moon is made of green cheese, because "discover" is a factive verb and the moon isn't made of green cheese.
palindrome \PAL-in-drohm\, noun: A word, phrase, sentence, or verse that reads the same backward or forward.
Ex. (Sentence) - Madam, I'm Adam.
Words that are palindromes;
RACECAR/ DEED / LEVEL / ROTOR / CIVIC / POP/ MADAM/ EYE / NUN / RADAR
Can you think of any palindromes?
Were you familiar with these two words?