1) Disappoint 2) Displease 3) Dissatisfy 4) Exclusively Anglo word 5) Exclusively Saxon word 6) Frustrate 7) Make discontent 8) Put in bad humor 9) To make discontent or cross 10) To put in a bad temper 11) Word with Anglo-Saxon origins 12) Word of purely Anglo origin 1) Sour 
• (v. t.) To dissatisfy; to disaffect; to anger.
Dis·grun'tle transitive verb To dissatisfy; to disaffect; to anger. [ Colloq.]
[v] - put into a bad mood or into bad humour
verb put into a bad mood or into bad humour; `The employees were disgruntled by their bad working conditions`
to put into a state of sulky dissatisfaction; make discontent.