Do you know ghouls from goblins and ghosts?
palindrome pal·in·drome (pāl'ĭn-drōm')
A segment of double-stranded DNA in which the nucleotide sequence of one strand reads in reverse order to that of the complementary strand.
palindromic pal·in·dro·mic (pāl'ĭn-drō'mĭk, -drŏm'ĭk)
word, number, sentence, or verse that reads the same backward or forward. The term derives from the Greek palin dromo ("running back again").