Pixie - which is actually 5 letters.
snout
brazil
Alto
secant
inlet
tanager
A large container name three letters long could be box or bin.
Overenthusiastically or Overapprehensiveness Both are 20 letters long :D
Secant
Grammaticality and granddaughters are long words. They begin with the letters gr.
The movie Tooth Fairy is 102 Minutes long.
"Gust"