conflict vs clash

conflict and clash both are nouns.

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

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

Other hyponyms of conflict include friction, disagreement, dissension, dissonance.

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

Other hyponyms of conflict include collide, jar.

conflict (noun)	clash (noun)
an open clash between two opposing groups (or individuals)	a minor short-term fight
a hostile meeting of opposing military forces in the course of a war	a loud resonant repeating noise
an incompatibility of dates or events	a state of conflict between persons
a disagreement or argument about something important	a state of conflict between colors
opposition between two simultaneous but incompatible feelings
opposition in a work of drama or fiction between characters or forces (especially an opposition that motivates the development of the plot)
a state of opposition between persons or ideas or interests

conflict (verb)	clash (verb)
go against, as of rules and laws	disagree violently
be in conflict	crash together with violent impact
	be incompatible; be or come into conflict