clash

nouns

a loud resonant repeating noise
"he could hear the clang of distant bells"
a state of conflict between persons
a state of conflict between colors
"her dress was a disturbing clash of colors"
is a type of (narrower)
a state of opposition between persons or ideas or interests
"his conflict of interest made him ineligible for the post"; "a conflict of loyalties"
a minor short-term fight

verbs

crash together with violent impact
"The cars collided"; "Two meteors clashed"
be incompatible; be or come into conflict
"These colors clash"
disagree violently
"We clashed over the new farm policies"
is a type of (narrower)
be of different opinions
"I beg to differ!"; "She disagrees with her husband on many questions"