pupa vs chrysalis

pupa and chrysalis both are nouns.

Word	Noun	Adjective	Verb	Adverb
pupa	Yes	No	No	No
chrysalis	Yes	No	No	No

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

pupa: an insect in the inactive stage of development (when it is not feeding) intermediate between larva and adult
chrysalis: pupa of a moth or butterfly enclosed in a cocoon

pupa (noun)	chrysalis (noun)
an insect in the inactive stage of development (when it is not feeding) intermediate between larva and adult	pupa of a moth or butterfly enclosed in a cocoon