pineweed vs Hypericum gentianoides

pineweed and Hypericum gentianoides both are nouns.

Word	Noun	Adjective	Verb	Adverb
pineweed	Yes	No	No	No
Hypericum gentianoides	Yes	No	No	No

As nouns, pineweed and Hypericum gentianoides are synonyms defined as:

pineweed and Hypericum gentianoides: annual wiry-stemmed North American weed with minute scalelike leaves and small yellow flowers

Other synonyms of pineweed include nitweed, orange grass, pine-weed.

pineweed (noun)	Hypericum gentianoides (noun)
annual wiry-stemmed North American weed with minute scalelike leaves and small yellow flowers	annual wiry-stemmed North American weed with minute scalelike leaves and small yellow flowers