词根词缀：ankylo-, ankyl-, anky-, anchylo-, anchyl-, ancylo-, ancyl-

【来源及含义】Greek: stiff, unmovable; adhesion; by extension, "bent, hooked, crooked, curved, looped"

【同源单词】anchyloblepharon, anchylose, anchylosed, anchylosis, anchylotic, ankyloblepharon

词根词缀：rigi-, rig-

【来源及含义】Latin: stiff, hard, numb; to be frozen, to grow stiff with cold, to be chilled

【同源单词】acid rigor, calcium rigor, catatonic rigidity, cerebellar rigidity, clasp-knife rigidity, cogwheel rigidity

词根词缀：set-, seto-, seti-

【来源及含义】Latin: bristle [short stiff hair on an animal or plant, or a mass of short stiff hairs growing; especially, on a hog's back or a man's face]

【同源单词】bisetose, seta, setaceous, setiferous, setiform, setiparous