Elbow crease.
That should be two separate words, the first of which is MI. The statement is "my [male body part]" The body part is not a rooster.
Two animal behavior words starting with M are mating and migration.
Two.
landlordlandminelonghandlookout
Two such words are fairground and fairway.
eachotherentrywayeverydayeveryone
Siamese cat
One such word is getaway.
Apart is one word meaning separate or distinct (from something else). It is two words when you are talking about a part in your hair or a part of your body.
two words not one
The term "body weight" referring to a person is two words.
The cephalophorax and the abdomen.