The likely answer is "twenty." The "E" is probably incorrect.
Couch
Postal service
Postal service
Exclude.
Typewriter
Headache starts and ends with the letters he. Another word is heartache.
hatch
Ogre - as in Shrek
The gaming logo that starts with b and ends with d and has 8 letters is "blizzard entertainment."
into
arc
AVIA
pee has 3 letters
The word that starts and ends with an e is epguide.
earthworms
earthquake
The "alphabet".