wheel spoke vs spoke

wheel spoke and spoke both are nouns.

Word	Noun	Adjective	Verb	Adverb
wheel spoke	Yes	No	No	No
spoke	Yes	No	No	No

As nouns, wheel spoke and spoke are synonyms defined as:

wheel spoke and spoke: support consisting of a radial member of a wheel joining the hub to the rim

Other synonyms of wheel spoke include radius.

wheel spoke (noun)	spoke (noun)
support consisting of a radial member of a wheel joining the hub to the rim	support consisting of a radial member of a wheel joining the hub to the rim
	one of the crosspieces that form the steps of a ladder