辛

spicy; painful; bitter; hot; acrid

7 strokes. Jōyō kanji, taught in secondary school. Newspaper frequency rank 1607.

Readings

つらい (kun reading): 辛い (つらい) painful; 辛く当たる (つらくあたる) to treat badly
からい (kun reading): 辛い (からい) spicy; 唐辛子 (とうがらし) capsicum (Capsicum annuum, esp. the cultivated chili peppers)
シン (on reading): 辛抱 (しんぼう) patience; 辛辣 (しんらつ) bitter (e.g. criticism)
かのと (kun reading): 辛 (かのと) 8th in rank; 辛酉 (かのととり) Metal Rooster (58th term of the sexagenary cycle, e.g. 1921, 1981, 2041)
づらい (kun reading)

辛い (つらい) painful
辛く当たる (つらくあたる) to treat badly
辛い目に会う (つらいめにあう) to have a hard time of it
言い辛い (いいづらい) difficult to speak about
人我に辛ければ我また人に辛し (ひとわれにつらければわれまたひとにつらし) be mean to me and I'll be mean in return
辛い (からい) spicy
唐辛子 (とうがらし) capsicum (Capsicum annuum, esp. the cultivated chili peppers)
激辛 (げきから) extremely spicy
甘辛い (あまからい) salty-sweet
辛味 (からみ) hot taste
辛抱 (しんぼう) patience
辛辣 (しんらつ) bitter (e.g. criticism)
香辛料 (こうしんりょう) spice
辛亥革命 (しんがいかくめい) Xinhai Revolution (of China; 1911)
辛ラーメン (シンラーメン) Shin Ramyun (Korean brand of instant noodles)
辛 (かのと) 8th in rank
辛酉 (かのととり) Metal Rooster (58th term of the sexagenary cycle, e.g. 1921, 1981, 2041)
辛未 (かのとひつじ) Metal Sheep (8th term of the sexagenary cycle, e.g. 1931, 1991, 2051)
辛巳 (かのとみ) Metal Snake (18th term of the sexagenary cycle, e.g. 1941, 2001, 2061)
辛卯 (かのとう) Metal Rabbit (28th term of the sexagenary cycle, e.g. 1951, 2011, 2071)
辛夷 (コブシ) kobus magnolia (Magnolia kobus)

75 words in all.