displeasure vs dissatisfaction

displeasure and dissatisfaction both are nouns.

Word	Noun	Adjective	Verb	Adverb
displeasure	Yes	No	No	No
dissatisfaction	Yes	No	No	No

As nouns, dissatisfaction is a hypernym of displeasure; that is, dissatisfaction is a word with a broader meaning than displeasure:

displeasure: the feeling of being displeased or annoyed or dissatisfied with someone or something
dissatisfaction: the feeling of being displeased and discontent

Other hypernyms of displeasure include annoyance, chafe, vexation.

displeasure (noun)	dissatisfaction (noun)
the feeling of being displeased or annoyed or dissatisfied with someone or something	the feeling of being displeased and discontent