noun

a domesticated carnivorous mammal that typically has a long snout, an acute sense of smell, non-retractable claws, and a barking, howling, or whining voice.

canine,hound,mongrel,cur,tyke,bitch,pup,puppy,whelp,doggy,pooch,mutt,pupper,doggo,man’s best friend,Rover,Fido,mong,bitzer

verb

follow (someone) closely and persistently.

photographers seemed to dog her every step

pursue,follow,stalk,track,trail,shadow,hound,plague,beset,bedevil,assail,beleaguer,blight,trouble,torment,haunt,tail