pteridophyte vs vascular plant

pteridophyte and vascular plant both are nouns.

Word	Noun	Adjective	Verb	Adverb
pteridophyte	Yes	No	No	No
vascular plant	Yes	No	No	No

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

pteridophyte: plants having vascular tissue and reproducing by spores
vascular plant: green plant having a vascular system: ferns, gymnosperms, angiosperms

Other hypernyms of pteridophyte include tracheophyte.

pteridophyte (noun)	vascular plant (noun)
plants having vascular tissue and reproducing by spores	green plant having a vascular system: ferns, gymnosperms, angiosperms