locomotion vs creep

locomotion and creep both are nouns.

Word	Noun	Adjective	Verb	Adverb
locomotion	Yes	No	No	No
creep	Yes	No	Yes	No

As nouns, creep is a hyponym of locomotion; that is, creep is a word with a more specific, narrower meaning than locomotion:

locomotion (noun)	creep (noun)
self-propelled movement	a slow mode of locomotion on hands and knees or dragging the body
the power or ability to move	a pen that is fenced so that young animals can enter but adults cannot
	a slow longitudinal movement or deformation
	someone unpleasantly strange or eccentric

locomotion (verb)	creep (verb)
	move slowly; in the case of people or animals with the body near the ground
	to go stealthily or furtively
	grow or spread, often in such a way as to cover (a surface)
	show submission or fear