treadle vs cycle

treadle and cycle both are nouns.

Word	Noun	Adjective	Verb	Adverb
treadle	Yes	No	Yes	No
cycle	Yes	No	Yes	No

treadle (noun)	cycle (noun)
a lever that is operated with the foot	a wheeled vehicle that has two wheels and is moved by foot pedals
	a single complete execution of a periodically repeated phenomenon
	a periodically repeated sequence of events
	a series of poems or songs on the same theme
	an interval during which a recurring sequence of events occurs
	the unit of frequency; one hertz has a periodic interval of one second (named for Heinrich Rudolph Hertz)

treadle (verb)	cycle (verb)
operate (machinery) by a treadle	recur in repeating sequences
tread over	ride a motorcycle
	ride a bicycle
	pass through a cycle
	cause to go through a recurring sequence