| 棘 | [ jí ] thorns |
| 棘手 | [ jí shoǔ ] thorny (problem), intractable |
| 棘楚 | [ jí chǔ ] thorny problem, troublesome affair |
| 棘皮動物 | [ jí pí dòng wù ] echinoderm, the phylum containing sea urchins, sea cucumbers etc |
| 棘輪 | [ jí lún ] ratchet |
| 棘鼻青島龍 | [ jí bí qīng daǒ lóng ] Tsintaosaurus spinorhinus, a 10 meter long hadrosaur with a single horn on its duck-billed snout |
| ⇒ 披荊斬棘 | [ pī jīng zhǎn jí ] lit. to cut one's way through thistles and thorns (idiom), fig. to overcome all obstacles on the way, to break through hardships, to blaze a new trail |
| ⇒ 沙棘 | [ shā jí ] sea-buckthorn |
| ⇒ 沙棘屬 | [ shā jí shǔ ] genus Hippophae, sea-buckthorns |
| ⇒ 腔棘魚 | [ qiāng jí yú ] coelacanth |
| ⇒ 荊棘 | [ jīng jí ] thistles and thorns, brambles, thorny undergrowth |
| ⇒ 荊棘載途 | [ jīng jí zaì tú ] lit. a path covered in brambles, a course of action beset by difficulties (idiom) |
| ⇒ 食荼臥棘 | [ shí tú wò jí ] to eat bitter fruit and lie on thorns (idiom); to share the hard life of the common people |