clash vs contretemps

clash and contretemps both are nouns.

Word	Noun	Adjective	Verb	Adverb
clash	Yes	No	Yes	No
contretemps	Yes	No	No	No

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

clash (noun)	contretemps (noun)
a minor short-term fight	an awkward clash
a loud resonant repeating noise
a state of conflict between persons
a state of conflict between colors

clash (verb)	contretemps (verb)
disagree violently
crash together with violent impact
be incompatible; be or come into conflict