spoke vs wheel spoke

spoke and wheel spoke both are nouns.

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

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

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

Other synonyms of spoke include radius.

spoke (noun)	wheel 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