Zea mays vs spike

Zea mays and spike both are nouns.

Word	Noun	Adjective	Verb	Adverb
Zea mays	Yes	No	No	No
spike	Yes	No	Yes	No

Zea mays (noun)	spike (noun)
tall annual cereal grass bearing kernels on large ears: widely cultivated in America in many varieties; the principal cereal in Mexico and Central and South America since pre-Columbian times	sports equipment consisting of a sharp point on the sole of a shoe worn by athletes
	a large stout nail
	any holding device consisting of a rigid, sharp-pointed object
	a long, thin sharp-pointed implement (wood or metal)
	a sharp-pointed projection along the top of a fence or wall (or a dinosaur)
	a very high narrow heel on women's shoes
	each of the sharp points on the soles of athletic shoes to prevent slipping (or the shoes themselves)
	a transient variation in voltage or current
	a sharp rise followed by a sharp decline
	(botany) an indeterminate inflorescence bearing sessile flowers on an unbranched axis
	fruiting spike of a cereal plant especially corn

Zea mays (verb)	spike (verb)
	add alcohol to (beverages)
	bring forth a spike or spikes
	manifest a sharp increase
	pierce with a sharp stake or point
	secure with spikes
	stand in the way of