忌 (w)

(jì) to be jealous of; fear; dread; scruple; to avoid or abstain from; to quit; to give up sth

忌口 (w)

(jìkǒu) abstain from certain food (as when ill); avoid certain foods; be on a diet

忌妒 (w)

(jìdu) to be jealous of; to envy; jealousy; envy

忌恨 (w)

(jìhèn) hate (due to envy etc)

忌惮 (w)

(jìdàn) be afraid of; fear

忌讳 (w)

(jìhuì) taboo; to avoid as taboo; to abstain from

忌辰 (w)

(jìchén) anniversary of a death