1) Caudate 2) Caudated 3) Shadowed 1) Caudate 2) Dogged 3) Followed 4) Followed furtively 5) Followed stealthily 6) Followed unobserved 7) Having a tail 8) Kept tabs on from behind 9) Pursued wrong detail 10) Shadowed 11) Shadowed, slang 12) Watched from the back 
• (a.) Having a tail; having (such) a tail or (so many) tails; -- chiefly used in composition; as, bobtailed, longtailed, etc.
Tailed adjective Having a tail; having (such) a tail or (so many) tails; -- chiefly used in composition; as, bob tailed , long tailed , etc. « Snouted and tailed like a boar.» Grew. 
[adj] - having a tail
adjective having a tail of a specified kind; often used in combination