sleuth

As nouns the difference between sleuth and hound

is that sleuth is (obsolete) an animal’s trail or track or sleuth can be (obsolete|uncountable) slowness; laziness, sloth while hound is a dog, particularly a breed with a good sense of smell developed for hunting other animals (hunt hound, hunting hound, hunting dog, hunter).

As verbs the difference between sleuth and hound

is that sleuth is (transitive) to act as a detective; to try to discover who committed a crime while hound is to persistently harass.

In obsolete terms the difference between sleuth and slewth

is that sleuth is an animal’s trail or track while slewth is sloth; idleness.

As a verb sleuth

is to act as a detective; to try to discover who committed a crime.

Slothfuln is likely misspelled.

Slothfuln has no English definition.

As a noun sleuth is

an animal’s trail or track.

As a verb sleuth is

to act as a detective; to try to discover who committed a crime.

As nouns the difference between sleuth and sleuthhound

is that sleuth is an animal’s trail or track while sleuthhound is a working dog who tracks or pursues e.g. a wanted criminal.

As a verb sleuth

is to act as a detective; to try to discover who committed a crime.