psilophyte vs tracheophyte

psilophyte and tracheophyte both are nouns.

Word	Noun	Adjective	Verb	Adverb
psilophyte	Yes	No	No	No
tracheophyte	Yes	No	No	No

As nouns, tracheophyte is a hypernym of psilophyte; that is, tracheophyte is a word with a broader meaning than psilophyte:

psilophyte: any plant of the order Psilophytales: a savannah plant
tracheophyte: green plant having a vascular system: ferns, gymnosperms, angiosperms

Other hypernyms of psilophyte include vascular plant.

psilophyte (noun)	tracheophyte (noun)
any plant of the order Psilophytales: a savannah plant	green plant having a vascular system: ferns, gymnosperms, angiosperms