semiparasite vs parasitic plant

semiparasite and parasitic plant both are nouns.

Word	Noun	Adjective	Verb	Adverb
semiparasite	Yes	No	No	No
parasitic plant	Yes	No	No	No

As nouns, parasitic plant is a hypernym of semiparasite; that is, parasitic plant is a word with a broader meaning than semiparasite:

semiparasite: a parasitic plant that contains some chlorophyll and therefore is capable of photosynthesis
parasitic plant: plant living on another plant and obtaining organic nutriment from it

semiparasite (noun)	parasitic plant (noun)
a parasitic plant that contains some chlorophyll and therefore is capable of photosynthesis	plant living on another plant and obtaining organic nutriment from it