reverence vs curtsey

reverence and curtsey both are nouns.

Word	Noun	Adjective	Verb	Adverb
reverence	Yes	No	Yes	No
curtsey	Yes	No	Yes	No

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

Other hyponyms of reverence include bow, bowing, obeisance, curtsy.

reverence (noun)	curtsey (noun)
an act showing respect (especially a bow or curtsy)	bending the knees; a gesture of respect made by women
a reverent mental attitude
a feeling of profound respect for someone or something

reverence (verb)	curtsey (verb)
regard with feelings of respect and reverence; consider hallowed or exalted or be in awe of	bend the knees in a gesture of respectful greeting