One of the mysteries of the English language finally explained.
Synonyms of spleen in English:
spleen
See definition of spleen
noun
1‘obviously you're annoyed but that doesn't give you the right to vent your spleen on me’
SYNONYMS
bad temper, bad mood, ill temper, ill humour, annoyance, anger, wrath, vexation, crossness, irritation, displeasure, dissatisfaction, irritability, irascibility, cantankerousness, peevishness, petulance, pettishness, pique, querulousness, crabbiness, testiness, tetchiness, snappishness, waspishness, touchiness, moodiness, sullenness, resentment, rancour, biliousness, sourness
spite, spitefulness, ill feeling, malice, maliciousness, bitterness, animosity, antipathy, hostility, malevolence, venom, gall, malignance, malignity, acrimony, bile, hatred, hate
literary ire, choler
ANTONYMS
good humour