pith vs parenchyma

pith and parenchyma both are nouns.

Word	Noun	Adjective	Verb	Adverb
pith	Yes	No	Yes	No
parenchyma	Yes	No	No	No

pith (noun)	parenchyma (noun)
the choicest or most essential or most vital part of some idea or experience	animal tissue that constitutes the essential part of an organ as contrasted with e.g. connective tissue and blood vessels
soft spongelike central cylinder of the stems of most flowering plants	the primary tissue of higher plants composed of thin-walled cells that remain capable of cell division even when mature; constitutes the greater part of leaves, roots, the pulp of fruits, and the pith of stems

pith (verb)	parenchyma (verb)
remove the pith from (a plant)