sheer vs steer

sheer is not a noun while steer is a noun.

Word	Noun	Adjective	Verb	Adverb
sheer	No	Yes	Yes	Yes
steer	Yes	No	Yes	No

As verbs, steer is a hypernym of sheer; that is, steer is a word with a broader meaning than sheer:

Other hypernyms of sheer include channelise, channelize, direct, guide, head, maneuver, manoeuver, manoeuvre, point.

sheer (noun)	steer (noun)
	castrated bull
	an indication of potential opportunity

sheer (adjective)	steer (adjective)
complete and without restriction or qualification; sometimes used informally as intensifiers
not mixed with extraneous elements
very steep; having a prominent and almost vertical front
so thin as to transmit light

sheer (verb)	steer (verb)
turn sharply; change direction abruptly	direct the course; determine the direction of travelling
cause to sheer	direct (oneself) somewhere
	be a guiding or motivating force or drive

sheer (adverb)	steer (adverb)
completely
straight up or down without a break