Lioness.
Tigress.
A large container name three letters long could be box or bin.
Pixie - which is actually 5 letters.
Suzy Suki Sela
snout
"Gust"
set
It is called "macron".
Yes as long as the larger dog is the female
ChickCivetCrakeCrane
large intestine
Lunchbox
They start with an m and are ten letters long, but I don't know what they are called.