psilophyton vs tracheophyte

psilophyton and tracheophyte both are nouns.

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

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

psilophyton: any plant or fossil of the genus Psilophyton
tracheophyte: green plant having a vascular system: ferns, gymnosperms, angiosperms

Other hypernyms of psilophyton include vascular plant.

psilophyton (noun)	tracheophyte (noun)
any plant or fossil of the genus Psilophyton	green plant having a vascular system: ferns, gymnosperms, angiosperms