The words 'racecar,' 'kayak' and 'level' are the same whether they are read left to right or right to left (palindromes).
(Yep, I knew you were going to 'do' this one.)
There are only four words in the English language which end in 'dous': tremendous, horrendous, stupendous, and hazardous.
(You're not doubting this, are you?)
There are two words in the English language that have all five vowels in order: 'abstemious' and 'facetious.' (Yes, admit it, you are going to say, a e i o u)
TYPEWRITER is the longest word that can be made using the letters only on one row of the keyboard. (All you typists are going to test this out