obeisance vs scraping

obeisance and scraping both are nouns.

Word	Noun	Adjective	Verb	Adverb
obeisance	Yes	No	No	No
scraping	Yes	No	No	No

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

obeisance: bending the head or body or knee as a sign of reverence or submission or shame or greeting
scraping: a deep bow with the foot drawn backwards (indicating excessive humility)

Other hyponyms of obeisance include genuflection, genuflexion, kotow, kowtow, scrape, salaam.

obeisance (noun)	scraping (noun)
the act of obeying; dutiful or submissive behavior with respect to another person	a deep bow with the foot drawn backwards (indicating excessive humility)
bending the head or body or knee as a sign of reverence or submission or shame or greeting	a harsh noise made by scraping
	(usually plural) a fragment scraped off of something and collected