two vs yoke

two and yoke both are nouns.

Word	Noun	Adjective	Verb	Adverb
two	Yes	Yes	No	No
yoke	Yes	No	Yes	No

As nouns, yoke is a hyponym of two; that is, yoke is a word with a more specific, narrower meaning than two:

two: the cardinal number that is the sum of one and one or a numeral representing this number
yoke: two items of the same kind

Other hyponyms of two include craps, snake eyes, brace, couple, couplet, distich, duad, duet, duo, dyad, pair, span, twain, twosome.

two (noun)	yoke (noun)
one of the four playing cards in a deck that have two spots	stable gear that joins two draft animals at the neck so they can work together as a team
the cardinal number that is the sum of one and one or a numeral representing this number	fabric comprising a fitted part at the top of a garment
	a connection (like a clamp or vise) between two things so they move together
	support consisting of a wooden frame across the shoulders that enables a person to carry buckets hanging from each end
	a pair of draft animals joined by a yoke
	two items of the same kind
	an oppressive power

two (adjective)	yoke (adjective)
being one more than one

two (verb)	yoke (verb)
	put a yoke on or join with a yoke
	link with or as with a yoke
	become joined or linked together