trachea vs cartilaginous tube

trachea and cartilaginous tube both are nouns.

Word	Noun	Adjective	Verb	Adverb
trachea	Yes	No	No	No
cartilaginous tube	Yes	No	No	No

As nouns, cartilaginous tube is a hypernym of trachea; that is, cartilaginous tube is a word with a broader meaning than trachea:

trachea: membranous tube with cartilaginous rings that conveys inhaled air from the larynx to the bronchi
cartilaginous tube: a duct with cartilaginous walls

trachea (noun)	cartilaginous tube (noun)
membranous tube with cartilaginous rings that conveys inhaled air from the larynx to the bronchi	a duct with cartilaginous walls
one of the tubules forming the respiratory system of most insects and many arachnids