epiglottis vs trachea

epiglottis and trachea both are nouns.

Word	Noun	Adjective	Verb	Adverb
epiglottis	Yes	No	No	No
trachea	Yes	No	No	No

epiglottis (noun)	trachea (noun)
a flap of cartilage that covers the windpipe while swallowing	membranous tube with cartilaginous rings that conveys inhaled air from the larynx to the bronchi
	one of the tubules forming the respiratory system of most insects and many arachnids