dog vs ratchet

dog and ratchet both are nouns.

Word	Noun	Adjective	Verb	Adverb
dog	Yes	No	Yes	No
ratchet	Yes	No	Yes	No

dog (noun)	ratchet (noun)
a member of the genus Canis (probably descended from the common wolf) that has been domesticated by man since prehistoric times; occurs in many breeds	mechanical device consisting of a toothed wheel or rack engaged with a pawl that permits it to move in only one direction
a hinged catch that fits into a notch of a ratchet to move a wheel forward or prevent it from moving backward
metal supports for logs in a fireplace
a smooth-textured sausage of minced beef or pork usually smoked; often served on a bread roll
informal term for a man
a dull unattractive unpleasant girl or woman
someone who is morally reprehensible

dog (verb)	ratchet (verb)
go after with the intent to catch	move by degrees in one direction only