curtsy vs reverence

curtsy and reverence both are nouns.

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

As nouns, reverence is a hypernym of curtsy; that is, reverence is a word with a broader meaning than curtsy:

Other hypernyms of curtsy include gesture, motion.

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

curtsy (verb)	reverence (verb)
make a curtsy; usually done only by girls and women; as a sign of respect	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