A ten letter word for the process is metabolism. An 11 letter word is respiration.
An 11 letter word having to do with sex is fornication.
mailbox
inbox?
The 11-letter word that refers to a type of anime is Planimeters.
A stabilator is a ten letter word for an aircraft's climb control device. A Beechcraft P35 Bonanza has such device which is a mix of a vertical stabilizer and an elevator.
An 11 letter word that refers to invading one's property is "trespassing".
Underground is a 11 letter word starting with U and ending with D.
Ear
letter word that starts with a g?"
What 11-letter word has five a's but no other vowels in it?
Only one I can think of is Solid Disk Drive but it's 16 letters not 11