middle vs tail end

middle

• The part between the beginning and the end. 

• A centre, midpoint. 

• The middle stump. 

• The central part of a human body; the waist. 

• The middle voice. 

• Pertaining to the middle voice. 

• Located in the middle; in between. 

• Central. 

tail end

• The last part of a period of time, event, or situation; the concluding or final part. 

• The hindmost part of anything (a person, animal, or object), the rear end; the butt, buttocks; hindquarters, rump.