pike vs toll road

pike and toll road both are nouns.

Word	Noun	Adjective	Verb	Adverb
pike	Yes	No	No	No
toll road	Yes	No	No	No

As nouns, toll road is a hyponym of pike; that is, toll road is a word with a more specific, narrower meaning than pike:

Other hyponyms of pike include autobahn, autostrada, turnpike.

pike (noun)	toll road (noun)
any of several elongate long-snouted freshwater game and food fishes widely distributed in cooler parts of the Northern Hemisphere	an expressway on which tolls are collected
medieval weapon consisting of a spearhead attached to a long pole or pikestaff; superseded by the bayonet
a broad highway designed for high-speed traffic
a sharp point (as on the end of a spear)
highly valued northern freshwater fish with lean flesh