metre vs cadence

metre and cadence both are nouns.

Word	Noun	Adjective	Verb	Adverb
metre	Yes	No	No	No
cadence	Yes	No	No	No

As nouns, metre and cadence are synonyms defined as:

Other synonyms of metre include beat, measure, meter.

metre (noun)	cadence (noun)
rhythm as given by division into parts of equal duration	a recurrent rhythmical series
(prosody) the accent in a metrical foot of verse	the close of a musical section
the basic unit of length adopted under the Systeme International d'Unites (approximately 1.094 yards)	(prosody) the accent in a metrical foot of verse